Borg M57 Helical Focuser - M57 M

Borg M57 Helical Focuser - M57 M

£135.00✓ 2 year warranty


In stock shipped 1-2 working days.

About this product

Model:  borg_7857
Part Number:  7857

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

Customer reviews

Be the first to Write a Review for this item!


Please fill in the form below to ask a question.

Your Name:
Your Email Address:
Your Question: