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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
the FF131 APO offers precise control with a 1:10 coarse & fine focus adjustment mechanism
the ideal choice for astronomy enthusiasts
EOS-T2 adapter without T2-extender is suitable for 17
4mm Focal Ratio Tele: F/5
Quantum efficiency(QE) -Main sensor
FF90 APO Flat-Field Apochromatic Refractor/FF90 APO Bundle M54 adapter the FF131 APO offers preciseLightweight & Compact Designed for Both Visual Observation and Astrophotography *Focus can be achieved within a back focus range of 4575 mm, measured from the M54M48 interface shoulder. Main Features Flexible Connectivity for Multiple Configurations Uniqueness 1. Lightweight & Compact The ZWO FF90 APO features a 90 mm aperture and 609 mm focal length (f 6. 8), offering an excellent balance between portability and performance. The optical tube weighs
US$ 270.00
US$ 265.50
US$ 195.50
US$ 77.95
