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Model: sharpstar_2.5_flattenerPart Number: 2.5
The SharpStar 2.5" flattener has been designed to fully illuminate a full frame sensor (24x36mm) without vignetting and offers exceptional field correction for f/5-f/9 Refractors.
The fully illuminated field is 55mm and this corrector is thus able to work with sensors larger than 35mm x 24mm.
This Flattener is recommended for use with Focusers larger than 2".
This Flattener has a male M68 thread and will attach to any focuser that uses a female M68 thread. Additional adaptors are necessary for use with focusers that do not have an M68 female thread.
SharpStar have designed this flattener with a long back focus distance to facilitate the use of accessories such as Off Axis Guiders, Filter Wheels etc.
The Optimum Telescope Focal Length is 500mm to 1000mm.
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