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.

• A piggyback ride for your camera!  Let your telescope do the driving while your camera takes beautiful wide-angle images of the sky.
• Use your own camera lenses to take photographs of the Milky Way, nebulae, the Moon, and more
• Attaches easily to the top rear of any Schmidt Cassegrain telescope in minutes

• Equatorial wedge for Celestron NexStar 6/8SE and Evolution Alt-Az mounted computerized telescopes
• Enables long exposure astrophotography and autoguiding by tilting the telescope’s azimuth into an equatorial platform allowing it to track an arc around the polar axis.
• For beginner to intermediate planetary and deep space imagers
• Captive hardware, tool-less operation, easily adjusts under load
• All new hefty yet portable design
• Sturdy latitude adjustment screw with easy to read scale and integrated Bubble level

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 5mm 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.

• Custom made for CGX and CGX-L Mounts
• Adjustable bracket angle for best accessibility
• 6x magnification
• Simple reticle map easily locates the celestial pole without the need to reference an app or location & time
• Scope tilt is adjustable to allow for accurate polar alignment

If you need to keep your imaging accessory weight down, this guidescope is just the thing.

NOTE: Weight of the guidescope is 300 grams.