Telescopes & Astronomy

The Sirius Optics Colour Filter No. 56 Light Green is a versatile 1.25" eyepiece filter designed to enhance planetary and lunar detail in telescopes up to 6" in aperture. With 53% light transmission, it boosts contrast of Martian polar caps, Jupiter's Great Red Spot, Venusian cloud patterns, and subtle lunar features, making it an excellent all-round choice for planetary observers.

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.

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 5mm spacer can help you achieve precise back-focus spacing in your imaging train.

The Sirius Optics Vixen Dovetail 18cm features a hollow underside with two slotted 1/4" holes running the full length, providing versatile mounting options for cameras and accessories. Designed to securely attach your gear to any mount accepting a standard Vixen dovetail, this lightweight yet sturdy plate offers flexible positioning to suit a variety of imaging and observation setups.

• Standard SCT Thread
• M42 T-Thread

The Sirius Optics Red Dot Finder Synta Support provides a secure and precise mounting solution for attaching a red dot finder to Synta-compatible telescopes. Designed for quick alignment and easy installation, this support bracket ensures your finder stays firmly in place during observation sessions, helping you locate celestial objects faster and with greater accuracy.