1 Scope of Application: 1.25 inch to C CS mount adapter fits any telescope C mount (male thread) telescope eyepiece changer with a 1.25 inch eyepiece tube. 2 1.25 Inch Mount and M25 Thread: The 1.25 inch mount is suitable for filters, focus reducers, and extenders. M25 external thread is suitable for C mount or CS mount camera lenses. 3 Aluminum Alloy Material: Made of black anodized aluminum alloy, which is wear resistant, durable. The adapter is fully threaded inside to minimize reflections of stray light. 4 Internal and External Thread Specification: External thread specification is M25x0.75mm (commonly known as C mount, CS mount thread). Internal thread specification is M28.6x0.6mm. 5 Adapter Size: External thread depth is 5mm / 0.2in, internal thread depth is 4mm / 0.16in, outer diameter of mount is about 1.25 Inches (31.6mm 0.1mm), overall length is 30mm / 1.2in.
What's in the box
1 x Mount Adapter
