Optical Accessories
Everything you need of optics for visual and photographic work or accessories for DIY projects, can be found in these categories.
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The uncompromising APM TMB-Design 1.8 x ED Barlow element is available again. The most important data:
At 588 nm wavelength the negative focal length is - 104.20 mm Cemented 2 lens element with ED glass Free aperture : 22 mm Broadband multicoated Magnification factor 1.8x Screwable into our APM adapter kit (see accessories) The 1.25 "UltraFlat Field Eyepiece features a high quality standard and a very compact design, which is designed to remove the field curvature at the edge, resulting in a flat, distortion-free image up to the edge of the visible field of view
APM Deluxe Diagonal Mirror 2"
This adapter allows to install the M63 APM-Riccardi Apo reducer inside the focuser barrel of different 3" focuser
The all new APM-Riccardi Universal Apo Flattner 1.0x Model 1 for Apo Telescopes.
The all new APM-Riccardi Universal Apo Flattner 1.0x Model 2 for Apo Telescopes.
This reducer, when used with the 65PHQ astrograph, can effectively shorten the exposure time and significantly increase the field of view.
specially designed for the 65PHQ reduces the focal length by 0.75x four-lens system camera-side threads M54 and M48 65 or 55 mm backfocus This reducer, connected with the astrographs, can effectively shorten the exposure time and dramatically increase your field of view. Designed for 107PHQ, 130PHQ and 151PHQ Reduces focal length by 0.7x Triplet design with ED glass Connection threads M68x1 male, M54x0.75 male, M48x0.75 male 55 mm backfocus from M48 thread The Askar 0,8x Reducer - Corrector for the 185mm f7 Triplet APO turns the 185 mm APO into a fast Astrograph.
designed for the Askar 185APO brings the focal ratio down to f5.6 suitable for full frame cameras The Askar 1.0x corrector for the 185mm f7 Triplet APO provides a very good image quality across the entire field of view.
developed for the Askar 185APO provides very good image quality across the entire field of view suitable for full-frame cameras The ASKAR full-frame 0.7x focal length reducer improves the FRA400´s and FRA500´s focal ratio from f/5.6 to f/3.9, halving the exposure time
The ASKAR full frame 0.7x focal length reducer improves the FRA600´s focal ratio from f/5.6 to f/3.9, halving the exposure time