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Objective Structure 2-Elements / 1Groups Eyepiece Structure 6-Elements / 4Groups Lens Coating Fully Multi Coated Prism Coating FMC+ Silver Waterproof IPX7 Net Weight 1280g / 2
and extensive contact database support
The focal ratio is f/7 and focal length is 749mm
Long-exposure astrophotography demands extremely accurate tracking
Four regulated 12V DC power outputs
Full Frame Reducers Collection by ZWO. asi2600mc duo Objective Structure 2-Elements / 1GroupsFF65APO 0. 75 Full Frame Reducer ZWO has released a brand new FF65APO 0. 75 full frame reducer with a four element optical design. It has a reduction factor of 0. 75x, which gives the FF65APO f 6. 4 astrograph a shortened focal ratio of f 4. 8 and a shorter focal length of 312mm. This allows for less total integration time and a wider field of view, bringing more convenience and possibilities for your wide field deep sky imaging. The back focus
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