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 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.
89.00 €
Estimated delivery time : 4-8 weeks (as from Availability) (valid for new orders)
Availability acc. to manufacturer :
Dec 15 2025
Dec 15 2025
Our new APM-Riccardi Apo-Reducer with reducing factor 0.75 x with M82 thread on both sides.
Characteristics:
- Universal Reducer/Flattener for many Apochromats
- High quality optics, calculated by Massimo Riccardi
- High-quality multi coatings
- Excellent image quality up to full frame sensors
595.00 €
Estimated delivery time : 4-8 weeks (valid for new orders)
Elliptical secondary flat for Newtonian telescopes with 63 mm diameter minor axis and 97 % coating.
172.00 €
Estimated delivery time : 1-4 days (valid for new orders)
High quality 20 mm Plössl eyepiece for planetary observation.
189.00 €
Estimated delivery time : 1-4 days (valid for new orders)
The new, extreme 3.5 mm Wide Angle Eyepiece by APM with 110°.
279.00 €
Estimated delivery time : 4-8 weeks (as from Availability) (valid for new orders)
Availability acc. to manufacturer :
Dec 15 2025
Dec 15 2025
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）
309.00 €
Estimated delivery time : (valid for new orders)
Elliptical secondary flat for Newtonian telescopes with 75 mm diameter minor axis and 97 % coating.
172.00 €
Estimated delivery time : 1-4 weeks (valid for new orders)
High quality 25 mm Plössl eyepiece for planetary and Deep Sky observations.
189.00 €
Estimated delivery time : 1-4 days (valid for new orders)
The new, extreme 5 mm Wide Angle Eyepiece by APM with 110°.
279.00 €
Estimated delivery time : 4-8 weeks (as from Availability) (valid for new orders)
Availability acc. to manufacturer :
Dec 15 2025
Dec 15 2025
Elliptical secondary flat for Newtonian telescopes with 120 mm diameter minor axis and 97 % coating.
545.00 €
Estimated delivery time : 1-4 days (valid for new orders)
High quality 32 mm Plössl eyepiece for planetary and Deep Sky observations.
229.00 €
Estimated delivery time : 1-4 days (valid for new orders)
The new, extreme 9 mm Wide Angle Eyepiece by APM with 100°.
279.00 €
Estimated delivery time : 4-8 weeks (as from Availability) (valid for new orders)
Availability acc. to manufacturer :
Dec 15 2025
Dec 15 2025
