Cloud Break Optics

48mm Female to 42mm Male Adapter (SFA-F48M42-008)

48mm Female to 42mm Male Adapter (SFA-F48M42-008) - Main image
$28.08 $39 In stock

Category: Astrophotography Accessories

Description

This adapts the over-sized M48 X .75 T thread (same as 2” filter thread) to the standard M42 X .75 T thread. It adds about 8 mm to the spacing so it is not recommended for use with a DSLR camera and our SFF3 flattener. However, when using CCD cameras that have a shorter back focus and use the standard T-thread, this adapter along with our 48 mm extension tubes above will permit you to get proper spacing and convert from 48 - 42 mm. 

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Customer Reviews (4.8 / 5 · 5 reviews)

Henry ★★★★★

I'm surprised how well this adapter holds the camera even with a heavy zoom lens attached; the threads cut cleanly into both the filter and the T-ring with no wobble. Definitely stays put during long exposures.

Aurora ★★★★★

Threads on both ends are clean and snug, so the M48 to M42 conversion felt solid when I attached my field flattener. The extra 8mm of spacing was easy to account for in my optical train, and it did exactly what it needed to for my setup.

Robert F. ★★★★★

I was a bit worried about adding 8mm of spacing to my setup, but it fits perfectly and the threads are machined cleanly. No wobble or play at all.