Hutech Astronomical Products
Equipment for the Serious Amateur Astronomer

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A versatile front end interface (M57 P0.75 male) allows this focuser to be connected to a wide variety of Borg accessories, including adapters (7901, 7910, 7911 and 7912) for third-party scopes, such as Vixen and Takahashi focuser sections. The internal diameter (47 mm) is wide enough to cover 35 mm format film.

Index:   100 microns
Length:   49 to 65 mm
Travel:   16 mm
Weight:   165 g
A:   M57 P0.75 Female, M60 P0.75 Male
B:   M57 P0.75 Male

Part #7857
M57 Helical Focuser - M57 M