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 : 1-4 days (valid for new orders)
 
 
APM Deluxe Diagonal Mirror 2"
125.00 €
Estimated delivery time : 4-8 weeks (valid for new orders)
 
 
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 (valid for new orders)
 
 
The all new APM-Riccardi Universal Apo Flattner 1.0x Model 1 for Apo Telescopes.
495.00 €
Estimated delivery time : 1-4 days (valid for new orders)
 
 
The all new APM-Riccardi Universal Apo Flattner 1.0x Model 2 for Apo Telescopes.
495.00 €
Estimated delivery time : 1-4 days (valid for new orders)
 
 

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
 
256.00 €
Estimated delivery time : 1-4 days (valid for new orders)
 
 
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
449.00 €
Estimated delivery time : 1-4 days (valid for new orders)
 
 

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
399.00 €
Estimated delivery time : 1-4 days (valid for new orders)
 
 

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
389.00 €
Estimated delivery time : 1-4 days (valid for new orders)
 
 
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
319.00 €
Estimated delivery time : 1-4 days (valid for new orders)
 
 
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
519.00 €
Estimated delivery time : 1-4 days (valid for new orders)
 
 

Askar´s filter drawer allows filter changes to as little as 18 mm and provides maximum versatility for astrophotography.

  •  Connections at the telescope side: T2 (M42x0.75), M48x0.75 and M54x0.75 female thread - all adapters included
  •  Connections on camera side: T2, M48x0.75 and M54x0.75 male thread - all adapters included
  •  Inserts for mounted 1.25" and 2" filters included
  •  Inserts for unmounted 31 mm, 36 mm and 50 mm filters included in scope of delivery
  •  Height of the filter changer only 18 mm (without external thread)
  •  The set consists of 10 parts - filters are not included in the scope of delivery
  •  The filter holder is securely fixed in the base body with magnetic force
 
319.00 €
Estimated delivery time : 1-4 days (valid for new orders)