{"product_id":"baader-flip-mirror-ii-star-diagonal-bfm-ii","title":"Baader Flip Mirror II Star Diagonal - BFM-II","description":"\u003ch3 style=\"text-align: center;\"\u003eBaader Flip Mirror II Star Diagonal\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\"\u003eBaader No. 2458055\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eThe heart of the Baader BFM II is a precise surface-mirrored flip mirror with multi-layer Al coating, which can be used as any regular star diagonal for visual observations and for high-resolution images with cameras with small pixels. In addition, the BFM II lets you switch between a straight light path (\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePosition A\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e) for a camera or other measuring instruments and an angled light path (\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePosition B\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e), e.g. for an eyepiece. The following figure shows how it works. In addition, a calibration lamp for spectrographs or an Off-Axis-Guider pickoff-prism (that is not affected by the mirror position) can be connected at the AUX-port on the bottom. The back of the flip mirror is also Al coated and masked to direct the light of an optional calibration lamp onto the slit of a spectrograph.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" height=\"546\" width=\"664\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/Baader_Flip_Mirror_Positions.png?v=1730236273\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ccenter\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cp style=\"text-align: left;\"\u003eThe Baader FlipMirror II Star Diagonal allows a variety of permanent adaptations to your telescope:\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eUse the rotary knob to switch between the rear port and the top port; you can use an optional toothed belt to operate it with a motor (not included). An autoguider or a calibration lamp can be connected to the bottom port.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eHere's more info about the Baader-Flip Mirror II Star Diagonal (BFM II) ports:\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"text-align: left;\"\u003e1.  Straight-through (S52, M48 and T-2 on both sides) for full-frame camera, spectrograph, or other instruments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e2.  Adjustable T-2 thread on top for eyepiece clamps, video modules (up to 32 mm image circle) or even a binoviewer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e3.  Bottom flange for the optional Off Axis Guider (BFM-OAG) or for an optional calibration lamp for quick calibration of spectra without removing the spectrograph\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: left;\"\u003eThe rotatable M48 connection rings are made of hardened, stainless steel on front and rear. They are adapted backlash-free to the BFM housing, so that they can be fixed in the optimum position to rotate any accessory around the optical axis. The BFM II is compatible with a large number of adapters from the Baader Astro T-2 system, the M48 system, and the UFC system (Universal Filter Changer). \u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003eWhat's In the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003eBaader FlipMirror II Star Diagonal – with fine-optically polished, movable mirror\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003eLaterally adjustable T-2a top ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e2x M48i \/ S52 Dovetail ring # 2958552\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003eReducing ring M48a \/ T-2i # 2958553\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003eReducing ring M48a \/ T-2a # 2958554\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003eInverter ring M48a \/ M48a # 2958555\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003ePin type face wrench for M48 \/ T-2 and M4 counter nuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e3 mm screwdriver for M 4 brass adjustment screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e4x hex keys (2.5 \/ 2.0 \/ 1.5 \/ 1.3 mm). The 2.0 mm wrench has a ball head to reach screws even when accessories are mounted by holding the wrench at an angle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003eBottom flange (laterally adjustable 1mm) for off-axis guide or calibration lamp for spectroscopy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003eDust cap for bottom flange\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e2 x M48 dust caps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003eT-2 dust cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: left;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003eInner Connection (Eyepiece to Camera):  M48, D52\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eInner Connection (Lens Side):  M42 * 0.75 (T-2), M48, S52\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eNet Weight:  0.24 kg\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eOptical Design:  Mirror Diagonal\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eOptical Length:  55 mm with S52, 59mm with M48\/T-2\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eOuter Connection (Eyepiece to Camera):  M48\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/center\u003e\u003ccenter\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5mtFz5UGSm0?si=pSh7C02nsrCCWvs7\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/center\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":41446249758833,"sku":"BAD-BFM-II","price":213.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/2458055_flip-mirror_main2.jpg?v=1776459240","url":"https:\/\/khanscope.com\/fr-fr\/products\/baader-flip-mirror-ii-star-diagonal-bfm-ii","provider":"Khan Scope Centre","version":"1.0","type":"link"}