Flattener / Reducer / Correctors
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Flattener / Reducer / Correctors
Corrective optics are a very important component, especially in astrophotography. They turn almost every refractor, Newtonian or other telescope into an astrograph. They flatten the image field, shorten the focal length or correct system-related image errors.
This adapter allows to install the M63 APM-Riccardi Apo reducer inside the focuser barrel of different 3" focuser
57.00 €
Estimated delivery time : 1-4 days
The all new APM-Riccardi Universal Apo Flattner 1.0x Model 1 for Apo Telescopes.
495.00 €
Estimated delivery time : 1-2 days
The all new APM-Riccardi Universal Apo Flattner 1.0x Model 2 for Apo Telescopes.
495.00 €
Estimated delivery time : 1-2 days
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
379.00 €
Estimated delivery time : 1-4 days
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 Plugs into focuser Connection threads M68x1 male, M54x0.75 male, M48x0.75 male 55 mm backfocus from M48 thread
565.00 €
Estimated delivery time : 1-4 days
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
449.00 €
Estimated delivery time : 2-3 days
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
579.00 €
Estimated delivery time : 2-3 days
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
299.00 €
Estimated delivery time : 1-4 days
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
489.00 €
Estimated delivery time : 1-4 days
Baader Hyperion 2.25x Barlow lens w/ 1.25" and T2 connection
133.00 €
Estimated delivery time : 1-4 days
Fieldflattener for ED Apos by Explore Scientific.
145.00 €
Estimated delivery time : 1-4 days
Fieldflattener for ED Apos by Explore Scientific.
145.00 €
Estimated delivery time : 1-4 days
