1.25 Inch to C CS Mount Connect Adapter, 1.25 inches Telescope Filter Threads Connecter, for Astrophotography

1.25 Inch to C CS Mount Connect Adapter, 1.25 inches Telescope Filter Threads Connecter, for Astrophotography

• 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.
• 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.
• Aluminum Alloy Material: The telescope filter threads connector is made of black anodized aluminum alloy, which is wear resistant, . The adapter is fully threaded inside to minimize reflections of stray light.
• 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.
• 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.