Discontinued itemsVixen Telescope Focal Reducer for F7.7 ED

Suggested retail price: Contact local dealer

JAN: 4955295366606

For photography of nebula or star clusters

This reducer is designed to shorten the effective focal length. This allows shorter exposure times and a wider field of view for astrophotographers. Since you can obtain a wide field of view, it becomes easier to capture nebulae and star clusters that have spread.

Vixen Telescope Focal Reducer for F7.7 ED Description

Spot Diagram
Reduce the focal length (0.67x) and make F-ratio fast. It also has the effect of reducing the aberration near the edge of imaging field.

Specifications

Focal Reducer for F7.7 ED

Usable on

ED81S, ED81S II, ED103S, ED115S
Lens coating

Fully multicoated
Prime focus photography

Wide photo adapter 60mm and T-ring are needed separately
Eyepiece projection photography

Not available
Visual observation

Not available
F-ratio

ED81S / 625mm（F7.7）→419mm（F5.2）
ED81S II / 625mm（F7.7）→419mm（F5.2）
ED103S / 795mm（F7.7）→533mm（F5.2）
ED115S / 890mm（F7.7）→596mm（F5.2）
Weight

174g

For availability of products, please contact our local dealers. The specifications are subject to change without notice.

Discontinued itemsVixen Telescope Focal Reducer for F7.7 ED

For photography of nebula or star clusters

Vixen Telescope Focal Reducer for F7.7 ED Description

Spot Diagram

Specifications