Flattener / Reducer / Correctors

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.

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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 € 130.00 €
Estimated delivery time : 1-4 days
 
 
Fieldflattener for ED Apos by Explore Scientific.
145.00 € 131.00 €
Estimated delivery time : 1-4 days