Features: Baader 500nm Colour Filter 2” Green. TheBaader 500nm Colour Filter 2” Green carefully prepared for amateur astronomical interests. The glass are coplaner fine optically polished. Specification: Baader 500nm Colour Filter 2” Green.
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SKU: 2961103. Mounted in Baader Low Profile Filter Cell (LPFC) – 6 mm height. Manufacturer: Baader Planetarium. Type of filter: Narrowband. Filter usage: CMOS, CCD, H-alpha. Filter thickness (WITHOUT CELL): 2 mm.
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(Manufactured: Baader. Mirror Diagonal). Includes clamp screw, safety nut and 2 filter holder (M48 inner thread). Safety nut and 2" filter holder. Type Of Adapter: Eyepiece Clamp, Filter holder, Reducing piece.
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Baader S-II 2" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized. 2" x 2 mm Baader CMOS S-II f/2 Ultra-Highspeed Filter – Premium Grade – with 2" (M48) filter thread. Mounted in Baader Low Profile Filter Cell (LPFC) – 6 mm height.
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The Baader AstroSolar Safety Film (ND 5.0) is mounted at the factory onto a clear white, IR-rejecting plastic ring that has a similar thermal expansion coefficient to minimize thermal stress on the film.
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