{"id":327,"date":"2026-05-25T14:08:28","date_gmt":"2026-05-25T14:08:28","guid":{"rendered":"https:\/\/welcome-11e05dc.netsolhost.com\/?page_id=327"},"modified":"2026-06-05T20:38:03","modified_gmt":"2026-06-05T20:38:03","slug":"eyeopener","status":"publish","type":"page","link":"https:\/\/petersonengineering.com\/?page_id=327","title":{"rendered":"Eyeopener"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"327\" class=\"elementor elementor-327\">\n\t\t\t\t<div class=\"elementor-element elementor-element-333e011a e-flex e-con-boxed e-con e-parent\" data-id=\"333e011a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7ae72f7d e-con-full e-flex e-con e-child\" data-id=\"7ae72f7d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6fb186c5 elementor-widget elementor-widget-image\" data-id=\"6fb186c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"200\" height=\"57\" src=\"https:\/\/petersonengineering.com\/wp-content\/uploads\/2026\/05\/PE-downsized.jpg\" class=\"attachment-large size-large wp-image-12\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d6ec2df elementor-widget elementor-widget-text-editor\" data-id=\"5d6ec2df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>405 New Meadow Road<br \/>Barrington, Rhode Island 02806\u00a0 USA<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5a0cc607 e-con-full e-flex e-con e-child\" data-id=\"5a0cc607\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-52349682 elementor-widget elementor-widget-text-editor\" data-id=\"52349682\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Questions?\u00a0 Contact us at:<br \/><a href=\"tel:14012454068\">\u00a01-401-245-4068<\/a><br \/><a href=\"mailto:info@petersonengineering.com\">\u00a0 info@petersonengineering.com<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-57380dad e-con-full e-flex e-con e-child\" data-id=\"57380dad\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-75d58769 elementor-widget elementor-widget-button\" data-id=\"75d58769\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/petersonengineering.com\/?page_id=240\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Return to Meade product listing<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7084a212 e-flex e-con-boxed e-con e-parent\" data-id=\"7084a212\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-76073ace elementor-widget elementor-widget-heading\" data-id=\"76073ace\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">The Eyeopener 2-inch Visual Back<\/h1>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1e6b7b8e e-flex e-con-boxed e-con e-parent\" data-id=\"1e6b7b8e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-92f1a76 elementor-widget elementor-widget-text-editor\" data-id=\"92f1a76\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li>increase light reaching your eye or camera chip by as much as 65%<\/li><li>It\u2019s the equivalent of buying the next size bigger scope.<\/li><li>Fits all Meade 10\u2033, 12\u2033 and 14\u2033 SCTs<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-66341c2 e-flex e-con-boxed e-con e-parent\" data-id=\"66341c2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e9a3b83 elementor-widget elementor-widget-text-editor\" data-id=\"e9a3b83\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Visual observer?<\/strong>\u00a02\u2033 eyepieces are \u201cwhere it\u2019s at\u201d for the widest and brightest field of view.\u00a0 The EyeOpener enhances the performance of 2\u2033 eyepieces on Meade 10\u201d, 12\u2033 and 14\u201d SCTs by increasing the optical path size from 1 \u00bd\u201d to 2\u2033.\u00a0\u00a0<\/p><p><strong>Imaging?<\/strong>\u00a0 With all but the smallest (oldest) chips, all SCT camera setups suffer from vignetting (darkness at the corners of the image).\u00a0 Increasing your scope\u2019s optical path from 1 \u00bd\u201d to 2\u2033 in diameter is almost mandatory for today\u2019s imagers.<\/p><p>History: As Schmidt-Cassegrain Telescopes (SCTs) evolved from 8-inch models to larger-aperture scopes, and as eyepieces evolved from 1 \u00bc\u201d to 2\u2033, the \u201cSchmidt-thread\u201d couplings used for securing 1\u00bc inch diagonals and eyepieces to telescope backplates remained unchanged. This \u201cSchmidt visual back\u201d supplied with Meade (and Celestron) SCTs has an internal diameter of 1 \u00bd\u201d, and it functions as a 1 \u00bd\u201d inch-diameter field stop.\u00a0 This field stop effectively limits the performance of modern 2\u2033 optics to the equivalent of 1 \u00bd\u201d optics.\u00a0 When using the 1 \u00bd\u201d visual back with Meade\u2019s 2\u2033 56mm Plossel (an eyepiece with a full 2\u2033 of glass in the nose)\u00a0 you lose 65% of the light to your eye!\u00a0\u00a0 For imagers, the same holds true for your camera chip.<\/p><p>The EyeOpener will not improve your viewing with 1-1\/4\u2033 eyepieces or with the smaller 2\u2033 eyepieces.\u00a0 But it is hugely beneficial when used with the larger 2\u2033 eyepieces that give you your widest actual field of view.\u00a0\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9aeb03f e-flex e-con-boxed e-con e-parent\" data-id=\"9aeb03f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d538102 e-con-full e-flex e-con e-child\" data-id=\"d538102\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-657bb93 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"657bb93\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>For a technical explanation of vignetting and how the EyeOpener makes viewing brighter and images both larger and brighter press button.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-87c9af9 e-con-full e-flex e-con e-child\" data-id=\"87c9af9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e7555b3 elementor-widget elementor-widget-button\" data-id=\"e7555b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/petersonengineering.com\/?page_id=345\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Vignetting Explaination<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-410d9f2 e-flex e-con-boxed e-con e-parent\" data-id=\"410d9f2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-619edc7 e-con-full e-flex e-con e-child\" data-id=\"619edc7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f47e22c elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"f47e22c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>In the 2008 -2009 period Meade 14\u2033 scopes used a redesigned baffle tube assembly that severely constriction the optical path.\u00a0 A subsequent late 2009 redesign reopened the optical path to a full 2\u2033.\u00a0 Check out your configuration if you have a 2008-2009 era scope.\u00a0 This is for 14\u2033 only.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-736d264 e-con-full e-flex e-con e-child\" data-id=\"736d264\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-369a4a6 elementor-widget elementor-widget-button\" data-id=\"369a4a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/petersonengineering.com\/?page_id=361\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Check for 14\" constriction<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-485fcbd e-flex e-con-boxed e-con e-parent\" data-id=\"485fcbd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-598b867 elementor-widget elementor-widget-text-editor\" data-id=\"598b867\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Which EyeOpener for you?<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1b5dca6 e-flex e-con-boxed e-con e-parent\" data-id=\"1b5dca6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ea35c3 elementor-widget elementor-widget-text-editor\" data-id=\"6ea35c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>EyeOpener III<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e1849d7 e-flex e-con-boxed e-con e-parent\" data-id=\"e1849d7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e732ef3 e-con-full e-flex e-con e-child\" data-id=\"e732ef3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d14f0bc elementor-widget elementor-widget-text-editor\" data-id=\"d14f0bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The EyeOpener III directly accepts a 2\u2033 diagonal, 2\u2033 eyepiece, 2\u2033 tube-end focusers and any other 2\u2033 tube used in an optical train.\u00a0 It threads onto a 3-1\/4\u2033 male thread found on the backplate of 10\u2033, 12\u2033 and 14\u2033 Meade SCTs. scopes, providing a full 2\u2033 unrestricted optical path.\u00a0 Unscrew your 1-1\/2\u2033visual back and check it out for yourself.\u00a0\u00a0<\/p><p>The EyeOpener III is fabricated from 6061T6 aluminum and black anodized.\u00a0 \u00a0A brass compression ring is used to prevent marring the inserted 2\u2033 tube while griping it tightly.\u00a0<\/p><p>The total height of the EyeOpener III above the scope\u2019s backplate is only 1-1\/2 inches (38 mm).\u00a0 By comparison, with the standard configuration, the nominal height from the scope\u2019s backplate to the back of the microfocuser is 3-1\/8 inches.\u00a0 If you need more backfocus this is a solution.\u00a0 With the EZ Focus kit it is possible to make the manual focuser as smooth and precise as a micrometer, pretty much eliminating the need for the microfocuser.<\/p><p>To mount Meade\u2019s #1209 Zero Image-Shift electronic microfocuser you will want the EyeOpener II.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-929e88a e-con-full e-flex e-con e-child\" data-id=\"929e88a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-317cb80 elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-image-carousel\" data-id=\"317cb80\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;slides_to_show&quot;:&quot;1&quot;,&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;effect&quot;:&quot;slide&quot;,&quot;speed&quot;:500}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-carousel-wrapper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Image Carousel\" dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 of 4\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/petersonengineering.com\/wp-content\/uploads\/2026\/05\/device.jpg\" alt=\"device\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 of 4\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/petersonengineering.com\/wp-content\/uploads\/2026\/05\/EO-III-COMPARISON.jpg\" alt=\"EO III COMPARISON\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 of 4\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/petersonengineering.com\/wp-content\/uploads\/2026\/05\/EO-III-assembly.jpg\" alt=\"EO III assembly\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4 of 4\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/petersonengineering.com\/wp-content\/uploads\/2026\/05\/EO-III-mounted.jpg\" alt=\"EO III mounted\" \/><\/figure><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d3303cd e-flex e-con-boxed e-con e-parent\" data-id=\"d3303cd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2f7c68c elementor-widget elementor-widget-text-editor\" data-id=\"2f7c68c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>EyeOpener II<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-23d165f e-flex e-con-boxed e-con e-parent\" data-id=\"23d165f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c3eb182 e-con-full e-flex e-con e-child\" data-id=\"c3eb182\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c839aab elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-image-carousel\" data-id=\"c839aab\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;slides_to_show&quot;:&quot;1&quot;,&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;effect&quot;:&quot;slide&quot;,&quot;speed&quot;:500}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-carousel-wrapper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Image Carousel\" dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 of 3\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/petersonengineering.com\/wp-content\/uploads\/2026\/05\/attaching-EO2-to-12-inch.jpg\" alt=\"Attaching EyeOpener II to telescope\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 of 3\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/petersonengineering.com\/wp-content\/uploads\/2026\/05\/attach-microfocuser-to-EO2.jpg\" alt=\"Attaching Microfocuser to EyeOpener II\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 of 3\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/petersonengineering.com\/wp-content\/uploads\/2026\/05\/eo2_VS_sCHMIDT.jpg\" alt=\"Opens optical path\" \/><\/figure><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5ee8278 e-con-full e-flex e-con e-child\" data-id=\"5ee8278\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f33adde elementor-widget elementor-widget-text-editor\" data-id=\"f33adde\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The EyeOpener II is specifically designed for telescopes using Meade\u2019s #1209 Zero Image-Shift electronic microfocuser.\u00a0 <br \/><br \/>It threads onto the 3-1\/4\u2033 male thread found on the backplate of 10\u2033, 12\u2033 and 14\u2033 Meade SCTs. scopes, removing the 1 1\/2\u2033 Schmidt thread adapter restriction and providing the full 2\u2033 unrestricted optical path that you already have in the microfocuser and the baffle tube.<\/p><p>Unscrew your 1-1\/2\u2033visual back and check it out for yourself.\u00a0\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-64195602 e-flex e-con-boxed e-con e-parent\" data-id=\"64195602\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-39e723c8 elementor-widget elementor-widget-text-editor\" data-id=\"39e723c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Order the EyeOpener III\u00a0 \u00a0$89.99<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-57613160 e-flex e-con-boxed e-con e-parent\" data-id=\"57613160\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-5f48586e e-con-full e-flex e-con e-child\" data-id=\"5f48586e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-738bf7de elementor-widget elementor-widget-text-editor\" data-id=\"738bf7de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Ship EO III within USA<br \/><\/strong>$89.99 + $7.13 shipping =\u00a0 $97.12<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-26417a8c e-con-full e-flex e-con e-child\" data-id=\"26417a8c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4b0ef22a elementor-widget elementor-widget-html\" data-id=\"4b0ef22a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<form action=\"https:\/\/www.paypal.com\/cgi-bin\/webscr\" method=\"post\" target=\"_blank\">\r\n  <input type=\"hidden\" name=\"cmd\" value=\"_s-xclick\" \/>\r\n  <input type=\"hidden\" name=\"hosted_button_id\" value=\"VKK475LRDH4TJ\" \/>\r\n  <input type=\"hidden\" name=\"currency_code\" value=\"USD\" \/>\r\n  <input type=\"image\" src=\"https:\/\/www.paypalobjects.com\/en_US\/i\/btn\/btn_cart_LG.gif\" border=\"0\" name=\"submit\" title=\"PayPal - The safer, easier way to pay online!\" alt=\"Add to Cart\" \/>\r\n<\/form>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-56975c4f e-flex e-con-boxed e-con e-parent\" data-id=\"56975c4f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6ffe8a1a e-con-full e-flex e-con e-child\" data-id=\"6ffe8a1a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4362c5a elementor-widget elementor-widget-text-editor\" data-id=\"4362c5a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Ship EO III to all other countries<br \/><\/strong>$89.99 + $26.65 postage =\u00a0 $116.64<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7cb8e449 e-con-full e-flex e-con e-child\" data-id=\"7cb8e449\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d7eaeae elementor-widget elementor-widget-html\" data-id=\"7d7eaeae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<form action=\"https:\/\/www.paypal.com\/cgi-bin\/webscr\" method=\"post\" target=\"_blank\">\r\n  <input type=\"hidden\" name=\"cmd\" value=\"_s-xclick\" \/>\r\n  <input type=\"hidden\" name=\"hosted_button_id\" value=\"QDS74GCZLE792\" \/>\r\n  <input type=\"hidden\" name=\"currency_code\" value=\"USD\" \/>\r\n  <input type=\"image\" src=\"https:\/\/www.paypalobjects.com\/en_US\/i\/btn\/btn_cart_LG.gif\" border=\"0\" name=\"submit\" title=\"PayPal - The safer, easier way to pay online!\" alt=\"Add to Cart\" \/>\r\n<\/form>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7099ad5 e-flex e-con-boxed e-con e-parent\" data-id=\"7099ad5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bc5c2a4 elementor-widget elementor-widget-text-editor\" data-id=\"bc5c2a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Order the EyeOpener II\u00a0 \u00a0$89.99<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c7e5c13 e-flex e-con-boxed e-con e-parent\" data-id=\"c7e5c13\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-fcfe95f e-con-full e-flex e-con e-child\" data-id=\"fcfe95f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e71e30a elementor-widget elementor-widget-text-editor\" data-id=\"e71e30a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Ship EO II within USA<br \/><\/strong>$89.99 + $7.13 shipping =\u00a0 $97.12<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fb1b463 e-con-full e-flex e-con e-child\" data-id=\"fb1b463\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0444602 elementor-widget elementor-widget-html\" data-id=\"0444602\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<form action=\"https:\/\/www.paypal.com\/cgi-bin\/webscr\" method=\"post\" target=\"_blank\">\r\n  <input type=\"hidden\" name=\"cmd\" value=\"_s-xclick\" \/>\r\n  <input type=\"hidden\" name=\"hosted_button_id\" value=\"EVGNJNZM7636W\" \/>\r\n  <input type=\"hidden\" name=\"currency_code\" value=\"USD\" \/>\r\n  <input type=\"image\" src=\"https:\/\/www.paypalobjects.com\/en_US\/i\/btn\/btn_cart_LG.gif\" border=\"0\" name=\"submit\" title=\"PayPal - The safer, easier way to pay online!\" alt=\"Add to Cart\" \/>\r\n<\/form>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fd077c4 e-flex e-con-boxed e-con e-parent\" data-id=\"fd077c4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-ddf6a8e e-con-full e-flex e-con e-child\" data-id=\"ddf6a8e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-305ac1e elementor-widget elementor-widget-text-editor\" data-id=\"305ac1e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Ship EO II to all other countries<br \/><\/strong>$89.99 + $26.65 postage =\u00a0 $116.64<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6b0978c e-con-full e-flex e-con e-child\" data-id=\"6b0978c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2a3883e elementor-widget elementor-widget-html\" data-id=\"2a3883e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<form action=\"https:\/\/www.paypal.com\/cgi-bin\/webscr\" method=\"post\" target=\"_blank\">\r\n  <input type=\"hidden\" name=\"cmd\" value=\"_s-xclick\" \/>\r\n  <input type=\"hidden\" name=\"hosted_button_id\" value=\"HVDZNHFHPR9SC\" \/>\r\n  <input type=\"hidden\" name=\"currency_code\" value=\"USD\" \/>\r\n  <input type=\"image\" src=\"https:\/\/www.paypalobjects.com\/en_US\/i\/btn\/btn_cart_LG.gif\" border=\"0\" name=\"submit\" title=\"PayPal - The safer, easier way to pay online!\" alt=\"Add to Cart\" \/>\r\n<\/form>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>405 New Meadow RoadBarrington, Rhode Island 02806\u00a0 USA Questions?\u00a0 Contact us at:\u00a01-401-245-4068\u00a0 info@petersonengineering.com Return to Meade product listing The Eyeopener 2-inch Visual Back increase light reaching your eye or camera chip by as much as 65% It\u2019s the equivalent of buying the next size bigger scope. Fits all Meade 10\u2033, 12\u2033 and 14\u2033 SCTs Visual [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_canvas","meta":{"footnotes":""},"class_list":["post-327","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/petersonengineering.com\/index.php?rest_route=\/wp\/v2\/pages\/327","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/petersonengineering.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/petersonengineering.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/petersonengineering.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/petersonengineering.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=327"}],"version-history":[{"count":27,"href":"https:\/\/petersonengineering.com\/index.php?rest_route=\/wp\/v2\/pages\/327\/revisions"}],"predecessor-version":[{"id":688,"href":"https:\/\/petersonengineering.com\/index.php?rest_route=\/wp\/v2\/pages\/327\/revisions\/688"}],"wp:attachment":[{"href":"https:\/\/petersonengineering.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}