{"product_id":"shelyak-backfocus-for-lhires-iii-and-lisa-spectroscope","title":"Shelyak Backfocus for LHIRES III and LISA Spectroscope","description":"\u003ch2\u003eShelyak Backfocus for LHIRES III and LISA Spectroscope\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAdapter to mount a CCD acquisition camera with backfocus on a LHIRE III or a LISA spectroscope.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSee technical specifications for selection. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch4\u003e\u003c\/h4\u003e\n\u003ch4\u003eBACKFOCUS 17 MM\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eThread: \u003c\/span\u003e\u003ca href=\"https:\/\/www.shelyak.com\/description-lens-mount\/?lang=en\" data-mce-href=\"https:\/\/www.shelyak.com\/description-lens-mount\/?lang=en\"\u003eM42x0.75\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLength: 31.9 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAdapter to mount a CCD acquisition camera with backfocus between 15.45 and 19.45 mm on a \u003ca href=\"https:\/\/istronomyplus.com\/products\/shelyak-lhires-iii-es0002\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/istronomyplus.com\/products\/shelyak-lhires-iii-es0002\"\u003eLhires III spectroscope.\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eAdapter to mount a CCD acquisition camera with backfocus between 12.45 and 22.45 mm on a\u003cspan\u003e \u003ca href=\"https:\/\/istronomyplus.com\/products\/shelyak-lisa-visible-domain-pf0021vis?_pos=1\u0026amp;_sid=478777b3f\u0026amp;_ss=r\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/istronomyplus.com\/products\/shelyak-lisa-visible-domain-pf0021vis?_pos=1\u0026amp;_sid=478777b3f\u0026amp;_ss=r\"\u003eLISA spectroscope.\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eBACKFOCUS 23MM\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eThread: \u003c\/span\u003e\u003ca href=\"https:\/\/www.shelyak.com\/description-lens-mount\/?lang=en\" data-mce-href=\"https:\/\/www.shelyak.com\/description-lens-mount\/?lang=en\"\u003eM42x0.75\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLength: 26 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003eAdapter to mount a CCD acquisition camera with backfocus between 21.35 and 25.35 mm on a \u003ca href=\"https:\/\/istronomyplus.com\/products\/shelyak-lhires-iii-es0002\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/istronomyplus.com\/products\/shelyak-lhires-iii-es0002\"\u003eLhires III spectroscope.\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eAdapter to mount a CCD acquisition camera with backfocus between 18.35 and 28.35 mm on a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/istronomyplus.com\/products\/shelyak-lisa-visible-domain-pf0021vis?_pos=1\u0026amp;_sid=478777b3f\u0026amp;_ss=r\" data-mce-href=\"https:\/\/istronomyplus.com\/products\/shelyak-lisa-visible-domain-pf0021vis?_pos=1\u0026amp;_sid=478777b3f\u0026amp;_ss=r\"\u003eLISA spectroscope.\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eBACKFOCUS 25 MM\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eThread: \u003c\/span\u003e\u003ca href=\"https:\/\/www.shelyak.com\/description-lens-mount\/?lang=en\" data-mce-href=\"https:\/\/www.shelyak.com\/description-lens-mount\/?lang=en\"\u003eM42x0.75\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLength: 24 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003eAdapter to mount a CCD acquisition camera with backfocus between 23.35 and 27.35 mm on a \u003ca href=\"https:\/\/istronomyplus.com\/products\/shelyak-lhires-iii-es0002\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/istronomyplus.com\/products\/shelyak-lhires-iii-es0002\"\u003eLhires III spectroscope.\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eAdapter to mount a CCD acquisition camera with backfocus between 20.35 and 30.35 mm on a\u003cspan\u003e \u003ca href=\"https:\/\/istronomyplus.com\/products\/shelyak-lisa-visible-domain-pf0021vis?_pos=1\u0026amp;_sid=478777b3f\u0026amp;_ss=r\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/istronomyplus.com\/products\/shelyak-lisa-visible-domain-pf0021vis?_pos=1\u0026amp;_sid=478777b3f\u0026amp;_ss=r\"\u003eLISA spectroscope.\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cspan style=\"font-size: 0.875rem;\" data-mce-style=\"font-size: 0.875rem;\"\u003eBACKFOCUS 34 MM\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThread: \u003ca href=\"https:\/\/www.shelyak.com\/description-lens-mount\/?lang=en\" data-mce-href=\"https:\/\/www.shelyak.com\/description-lens-mount\/?lang=en\"\u003eM42x0.75\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLength: 14.5 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAdapter to mount a CCD acquisition camera with backfocus between 32.85 and 36.85 mm on a\u003cspan\u003e \u003ca href=\"https:\/\/istronomyplus.com\/products\/shelyak-lhires-iii-es0002\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/istronomyplus.com\/products\/shelyak-lhires-iii-es0002\"\u003eLhires III spectroscope.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.shelyak.com\/produit\/lhires-iii\/?lang=en\" data-mce-href=\"https:\/\/www.shelyak.com\/produit\/lhires-iii\/?lang=en\"\u003e\u003c\/a\u003eAdapter to mount a CCD acquisition camera with backfocus between 29.85 and 39.85 mm on a\u003cspan\u003e \u003ca href=\"https:\/\/istronomyplus.com\/products\/shelyak-lisa-visible-domain-pf0021vis?_pos=1\u0026amp;_sid=478777b3f\u0026amp;_ss=r\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/istronomyplus.com\/products\/shelyak-lisa-visible-domain-pf0021vis?_pos=1\u0026amp;_sid=478777b3f\u0026amp;_ss=r\"\u003eLISA spectroscope.\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eATIK CCD\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eThread: \u003c\/span\u003e\u003ca href=\"https:\/\/www.shelyak.com\/description-lens-mount\/?lang=en\" data-mce-href=\"https:\/\/www.shelyak.com\/description-lens-mount\/?lang=en\"\u003eM42x0.75\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLength: 38.2 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003eAdapter to mount a CCD acquisition camera with backfocus between 9.15 and 13.15 mm on a \u003ca href=\"https:\/\/istronomyplus.com\/products\/shelyak-lhires-iii-es0002\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/istronomyplus.com\/products\/shelyak-lhires-iii-es0002\"\u003eLhires III spectroscope.\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eAdapter to mount a CCD acquisition camera with backfocus between 6.15 and 16.15 mm on a\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/istronomyplus.com\/products\/shelyak-lisa-visible-domain-pf0021vis?_pos=1\u0026amp;_sid=478777b3f\u0026amp;_ss=r\"\u003eLISA spectroscope.\u003c\/a\u003e\n\u003cp\u003eShipped with\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/istronomyplus.com\/products\/shelyak-lhires-iii-es0002\"\u003eLhires III spectroscope\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIn the Box\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eShelyak selected backfocus size for LHIRES III and LISA Spectrometer :\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBackfocus 17 MM\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eBackfocus \u003c\/span\u003e23MM\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eBackfocus \u003c\/span\u003e25 MM\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eBackfocus \u003c\/span\u003e34 MM\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eATIK CCD\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eManual \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003eShelyak 1-Year Warranty\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Shelyak","offers":[{"title":"17mm","offer_id":44123649933541,"sku":"SHE-SE0014","price":183.0,"currency_code":"CAD","in_stock":true},{"title":"23mm","offer_id":44123649966309,"sku":"SHE-SE0012","price":183.0,"currency_code":"CAD","in_stock":true},{"title":"25mm","offer_id":44123649999077,"sku":"SHE-SE0080","price":183.0,"currency_code":"CAD","in_stock":true},{"title":"34mm","offer_id":44123650031845,"sku":"SHE-SE0082","price":183.0,"currency_code":"CAD","in_stock":true},{"title":"ATIK CCD","offer_id":44123650064613,"sku":"SHE-SE0110","price":174.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/shelyak-backfocus-for-lhires-iii-and-lisa-spectroscope-astronomy-plus-1.png?v=1690491522","url":"https:\/\/istronomyplus.com\/products\/shelyak-backfocus-for-lhires-iii-and-lisa-spectroscope","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}