Telescopes & Astronomy

M42 x 0.75mm Aluminium Alloy Extension Spacer Ring for telescope photography. This 20mm spacer can help you achieve precise back-focus spacing in your imaging train.

M42 x 0.75mm Aluminium Alloy Extension Spacer Ring for telescope photography. This 40mm spacer can help you achieve precise back-focus spacing in your imaging train.

• This Celestron T-Adapter connects a DSLR camera to a NexStar 4SE or C90 spotting scope for prime focus photography
• Threads onto the rear cell for secure, wiggle-free connection
• T-threads accept camera brand specific T-Ring (sold separately)

This handy step-down adapter lets you connect standard M42 T-thread accessories to equipment featuring the larger M48 thread. Simply thread it on to bridge the gap between these two common telescope and camera accessory sizes, making it easy to expand your imaging setup without replacing existing gear.

Easily connect M48-threaded accessories to your Schmidt-Cassegrain telescope with this precision-machined adapter. Featuring a standard SCT female thread on one end and an M48 male thread on the other, it provides a secure and seamless interface for filters, cameras, and other imaging equipment.

• T-Adapter for 9.25, 11 & 14” EdgeHD optical tubes. It threads onto the rear cell
• This T-Adapter allows you to attach your 35 mm DSLR camera to the prime focus of your EdgeHD telescope

Getting your back-focus distance right is essential for sharp, well-corrected astrophotography and sometimes you need more than thin shims to bridge the gap. This M48 x 0.75mm aluminium alloy spacer ring provides 20mm of solid, threaded spacing to help you build out your imaging train with precision. Also available in various sizes to suit your specific setup requirements.

Getting your back-focus distance right is essential for sharp, well-corrected astrophotography and sometimes you need more than thin shims to bridge the gap. This M48 x 0.75mm aluminium alloy spacer ring provides 15mm of solid, threaded spacing to help you build out your imaging train with precision. Also available in various sizes to suit your specific setup requirements.