Telescopes & Astronomy

The Sirius Optics M48 T-ring for Nikon lets you seamlessly connect your Nikon DSLR to any telescope with an M48 thread, making it easy to dive into astrophotography. Designed with full-frame sensors in mind, the wide M48 connection minimizes vignetting for cleaner, edge-to-edge images of the night sky.

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 10mm 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 35mm 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.

The Sirius 2 inch to 1.25 inch Locking Adapter lets you securely use your 1.25" eyepieces and accessories in any 2" focuser, thanks to its reliable twist-lock mechanism that prevents slipping and ensures a firm hold. It's an essential addition for any astronomer looking to expand their eyepiece compatibility without sacrificing stability.

This Sirius Optics adapter seamlessly connects 2-inch push-fit accessories to telescopes and components with a standard SCT (Schmidt-Cassegrain) male thread. Featuring a precision SCT outer thread on one end and a 2-inch push-fit nosepiece with a built-in 2-inch filter thread on the other, it's ideal for use with SCT-threaded star diagonals, focal reducers, and other accessories from brands like Celestron and Meade.

The Sirius Optics 1.25 Inch 3-in-1 Adapter with M42 thread offers versatile connectivity for your telescope setup, allowing you to easily attach cameras and accessories with a standard M42 connection to any 1.25-inch focuser. Its three-in-one design consolidates multiple adapters into a single, compact solution, making it an essential accessory for both visual observers and astrophotographers.

M42 x 0.75mm Aluminium Alloy Extension Spacer Ring for telescope photography. This 10mm spacer can help you achieve precise back-focus spacing in your imaging train.

The Sirius Optics 1.25 Inch to M48 Adapter lets you seamlessly connect 1.25-inch eyepieces and accessories to M48-threaded components, expanding your telescope's versatility with a simple, lightweight aluminium construction built to last.