Astrograph Refractors
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Astrograph Refractors
Astrophotographically optimized lens telescopes (astrographs) consist either of primary optics, combined with a flattener or reducer, or of multi-part (4 to 6 lens) optical designs that enable optimal geometric and chromatic correction. The focal ratio is very short (mostly f / 3.5 - f / 5.6), which shortens the exposure times.
A compact and lightweight but powerful apochromat for visual and astrophotography using.
6180.00 €
Delivery date : 3-4 weeks
A compact and lightweight but powerful apochromat for visual and astrophotography using.
6295.00 €
Delivery date : 3-4 weeks
