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.

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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)
249.00 €
Estimated delivery time : 1-2 days
 
 
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
119.00 € 99.00 €
Estimated delivery time : 1-2 days
 
 
APM Deluxe Diagonal Mirror 2"
125.00 € 115.00 €
Estimated delivery time : 1-2 days (as from Availability)
Availability acc. to manufacturer :
May 15 2025
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 € 445.00 €
Estimated delivery time : 1-2 days
 
 
The all new APM-Riccardi Universal Apo Flattner 1.0x Model 2 for Apo Telescopes.
495.00 € 445.00 €
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
 
389.00 €
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
489.00 €
Estimated delivery time : 1-4 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
509.00 €
Estimated delivery time : 1-4 days