Hutech Astronomical Products
Equipment for the Serious Amateur Astronomer
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Borg's shortest helical focuser, model 7757 works with a variety of adapters for a wide range of interface options. Its short length is useful in accommodating accessories with long focus requirements, such as diagonals and binoviewers. This model is recommended for visual use only as its short length does not permit a focus lock screw.

Index:   None
Length:   22 to 32 mm
Travel:   10 mm
Weight:   50 g
A:   M57 P0.75 Female
B:   M57 P0.75 Male

Part #7757
M57 Helical Focuser S - M57 Low-profile
2017-01-11