{"product_id":"meade-flip-mirror-system-series-4000-model-647-w-uhtc-2-1-25-o-d-pre-owned","title":"Meade Flip Mirror System Series 4000 Model 647 w\/ UHTC - JAPAN (2\"\/1.25\" O.D) (Pre-owned)","description":"\u003cp\u003e\u003cspan style=\"color: rgb(245, 25, 25);\"\u003e\u003cstrong\u003eUsed flip mirror in excellent condition!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"productDescription_UbV5SNP5Eo\" data-selenium=\"overviewLongDescription\"\u003e\n\u003cdiv class=\"js-injected-html text_UbV5SNP5Eo\"\u003e\n\u003cp\u003eAn essential accessory for CCD imaging, this features the\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eUltra-High Transmission Coatings\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003efor a substantial decrease in the loss of light from within the mirror.  This larger #647 Flip Mirror allows imaging with bigger 'full frame' SLRs, CCD cameras, SBIG cameras, etc.\u003c\/p\u003e\n\u003cp\u003eWith this flip mirror, you can have an imaging device on one side of the optical path and an eyepiece on the other, allowing you to exchange between observing\/photographing quickly and to refine an image with a reticle eyepiece before inserting a camera.\u003c\/p\u003e\n\u003cp\u003eOn a nightly basis, you must refine focus alignment between the observing and imaging paths.  To do this you turn the mirror down to focus the image while viewing (\u003cem\u003ewith an eyepiece\u003c\/em\u003e) through the 90 path, then flip the mirror up to allow the light to pass to the image receiving area on the straight-through path.  Refined helicoid focusing threads allow precise matching of focus between eyepiece\/imager, and a locking ring makes this a once-nightly chore.  Illuminated reticle eyepieces certainly help this process.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"feature_UbV5SNP5Eo\"\u003e\n\u003cdiv class=\"feature_UbV5SNP5Eo\"\u003e\n\u003cdiv class=\"feature_UbV5SNP5Eo\"\u003e\n\u003cdiv class=\"descriptionAsTitle_UbV5SNP5Eo\"\u003e\n\u003cdiv class=\"js-injected-html text_UbV5SNP5Eo\"\u003eMirror clear aperture of 40mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature_UbV5SNP5Eo\"\u003e\n\u003cdiv class=\"descriptionAsTitle_UbV5SNP5Eo\"\u003e\n\u003cdiv class=\"js-injected-html text_UbV5SNP5Eo\"\u003eRecommended for full size (\u003cem\u003e24x36mm\u003c\/em\u003e) SLR cameras, CCD cameras, and C-Mount cameras\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature_UbV5SNP5Eo\"\u003e\n\u003cdiv class=\"descriptionAsTitle_UbV5SNP5Eo\"\u003e\n\u003cdiv class=\"js-injected-html text_UbV5SNP5Eo\"\u003eExcellent for use with the Meade 25mm illuminated reticle Plössl eyepiece\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Meade","offers":[{"title":"Default Title","offer_id":43083852021873,"sku":"USED031901","price":295.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/opplanet-meade-647-flip-mirror-system.webp?v=1773929535","url":"https:\/\/khanscope.com\/products\/meade-flip-mirror-system-series-4000-model-647-w-uhtc-2-1-25-o-d-pre-owned","provider":"Khan Scope Centre","version":"1.0","type":"link"}