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Vixen Focal Reducer 0.79x for VSD 100 mm f/3.8 APO Astrograph

Name: Vixen Focal Reducer 0.79x for VSD 100 mm f/3.8 APO Astrograph
Brand: Vixen
SKU: VI26637
Price: 769 EUR

This focal reducer for Vixen´s VSD Astrograph transforms the VSD 100 f3.8 to an even faster astrograph with 300 mm focal length and f3.0.

3-elements in 3 groups

ED glass inside for better color correction

Coating provide 99.9% light transmission

Threaded at 58 mm for most commercially available lens filters

Suitable for DSLR and CCD cameras up to full frame sensors

Manufacturer: Vixen

Product number: VI26637

EUR 769,00RRP EUR 799,00you save 3.8% (EUR 30,00)

incl. 19 % VAT (DE)

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excl. 6.95 € shipping costs (DE)

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Vixen Focal Reducer 0.79x for VSD 100 mm f/3.8 APO Astrograph

This focal reducer for Vixen´s VSD Astrograph transforms the VSD 100 f3.8 to an even faster astrograph with 300 mm focal length and f3.0.

3-elements in 3 groups

ED glass inside for better color correction

Coating provide 99.9% light transmission

Threaded at 58 mm for most commercially available lens filters

Suitable for DSLR and CCD cameras up to full frame sensors

Details..
Technical data..
In the box..

Usable on #26145 VSD100 f/3.8 OTA. Transforms VSD100 f/3.8 to an even faster astrograph with 300mm in focal length at f/3.0 (0.79x). Suitable for DSLR with a 35mm full-frame sensor (69% illuminated). Wide photo adapter 60mm or 60mm DX and T ring are needed separately for prime focus photography.

Reduction:	From 380 mm (f/3.8) to 300 mm (f/3.0)
Field illumination:	Ø 44mm (36x24 format compatible)
Vignetting:	Illumination at lens rim 69.3%
Coatings:	AS Coating
Optical design:	3 elements in 3 groups
Filter:	58 mm filter thread
Telescope side thread:	M84x1 male
Camera side thread:	M60x0.75 female
Tilt correction:	integrated