Vixen VSD Focal Reducer 0.79x VSD Focal Reducer 0.79x

• Focal reducer, V-0.79 for VSD100 F3.8 astrographs
• Reduces the focal length to 300 mm, F3.0
• Illumination ?44 mm (compatible with 36x24 full-frame)
• Premium AS coating
• Enables use of extremely short exposure times
• Weight: 330 g
• Made in Japan

The Focal Reducer V-0.79 transforms the VSD-100 F3.8 Astrograph into a faster astrograph with a 300 mm focal width and a 1:3.0 aperture ratio.

The optical structure of the reducer consists of 3 elements in 3 groups of ED glass and delivers a light transmission of 99.9%. 58 mm filter thread for standard photo filters.

For DSLR cameras with up to 35 mm full-frame sensor (69% illumination).

The reducer allows you to take photos of an object within a few seconds or minutes without the need for complex operations.

• Reduction: 380 mm (F3.8) => 300 mm (F3.0)
• Illumination: ?44 mm (compatible with 36x24 full-frame) *69.3% illumination at lens edge
• Coating: AS coating
• Optical structure: 3 elements in 3 groups
• Weight: 330 g
• Filter: 58 mm filter thread
• Thread: M84, P=1 mm (telescope/male); M60, P=0.75 mm (camera/female)
• Prime-focus photography wide photo adapter, 60 mm or T-ring (N)
• Squaring: Squaring adjustment system, built-in

DELIVERY CONTENT

• VSD reducer