Camera Adapters

The Sirius Optics 2 Inch Variable Extension Tube features a standard 2" barrel and M42 male thread, allowing you to fine-tune your imaging distance for precise focus when connecting a camera to your telescope. Simply pair it with an M42 T-ring to attach your camera, and adjust the extension length to achieve optimal spacing for astrophotography through any 2" focuser or visual back.

The Sirius Optics T-Ring for Canon EF-M allows you to connect your Canon EOS-M mirrorless camera to any telescope or microscope equipped with a standard M42 T-thread adapter, opening up the world of astrophotography and microphotography with the gear you already own.

The 2 Inch to M48 T Adapter lets you easily connect M48 T-rings to any standard 2-inch eyepiece holder, bridging your telescope and camera for stunning astrophotography. Built from durable aluminum, this lightweight adapter ensures a secure, precise fit so you can focus on capturing the night sky.

• 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

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.

• 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)

The Sirius Optics T-Adapter seamlessly connects your DSLR or mirrorless camera to any 2-inch focuser, visual back, or diagonal for prime-focus astrophotography. Featuring a standard M42 thread on one end and a 2-inch barrel on the other, it pairs with any compatible M42 T-ring to get you imaging through your telescope in seconds.

This variable projection camera adapter allows you to take photos through a slim 1.25" eyepiece. Use with a M42 T-ring.