M42 Optical System

M57 was the Key thread size for BORG modular design. This is the new M42 optical system in addition to M57. M42 has been already available as  M42 helical focusers and parts.  Now lenses will be available too.

m42optThis is the new optical system which is scheduled to be released this summer. 1st optics is 36ED F5.6 (200mm f.l.) I’m curious how it works with current super reducer and flattener for astrophtography. #7528 converts M42 to M57 while 7523 does M57 to M42. So there is the inter-compatibility in-between. When I will have the chance to get, I will test.

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~ by tedishikawa on February 4, 2013.

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