Optical Accessories
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Optical Accessories
Everything you need of optics for visual and photographic work or accessories for DIY projects, can be found in these categories.
The Askar 1.0x corrector for the 140mm f7 Triplet APO provides a very good image quality across the entire field of view.
- developed for the Askar 140APO
- provides very good image quality across the entire field of view
- suitable for full-frame cameras
The Askar 0,8x Reducer - Corrector for the 140mm f7 Triplet APO turns the 140 mm APO into a fast Astrograph.
- designed for the Askar 140APO
- brings the focal ratio down to f5.6
- suitable for full frame cameras
Optolong L-Synergy is a dual 7nm narrowband filter compatible with DSLR cameras, color CMOS sensors, and CCD cameras, supporting telescope systems with F-ratio of F3.3 or above (slower system）. Its key advantage lies in enabling astrophotography amateurs to capture exceptionally detailed emission nebulae even in light-polluted environments. it has been optimized to minimize bright star halos while isolating all emission lines except SII and OIII, achieving maximum effective transmission.
2"（M48×0.75）
This reducer effectively shortens the exposure time and significantly increases the field of view.
- Designed for the Askar 103APO
- Reduces the focal length by a factor of 0.6
- Screwed to the focuser
- Camera-side threads M68x1, M54x0.75 and M48x0.75
- 55 mm backfocus from M48 thread
