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Vixen 3666 Reducer ED 0.67x
Reduces the focal distance to 0.67x (the F-value) and widens the field of view.
For ED81S : 625mm (F7.7) to 419mm (F5.2)
For ED103S : 795mm (F7.7) to 533mm (F5.2)
For ED115S : 890mm (F7.7) to 596mm (F5.2)
Effective for both eye observing and photography, but frequently used for photography.
Helps taking better photographs of nebulas or star clusters because of the wide field of view it provides.
Prime focus photography possible (Prime focus wide adapter 60 and T ring are required)
Specifications
- Weight: 155 g
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not in stock - ready to ship within approx. 48 hours
Shipping fees
