ZWO FF90 - 90mm f/6.8 Flat Field APO Refractor - FF90-APO 16 mm Eypieces The readout noise can go

The readout noise can go as low as 0

Extra Filter IR850nm Filter Included Back Focal Length 17mm (with adapter)

it tones down the sun's Broadway-worthy spotlight to levels your gear (and eyes) can handle

25" Adapter:

Mount your choice of optical tube with either a Vixen or CGE (not Losmandy) style dovetail

ZWO FF90 - 90mm f/6.8 Flat Field APO Refractor - FF90-APO 16 mm Eypieces The readout noise can goZWO FF90 APO Flat Field Apochromatic Refractor Main Features Flexible Connectivity for Multiple Configurations 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 just 3. 92 kg, with a total system weight of 4. 52 kg including mounting rings and dovetail plate. Four Element Optical Design The FF90 APO features a