All Products

The latest addition to the X-Cel LX line is perfect for astronomical observing, especially with short focal length telescopes. Fully multi-coated 3-element Apochromatic design offers superior sharpness and color correction.

If you own the popular ZWO EAF and also a William Optics RedCat or SpaceCat, then this great conversion kit will allow you to connect the 2 together for ultra fine focusing for pin point stars.

Die cast and machined metal construction. Perfect for adding distance between your scope and tripod legs on the iOptron iEQ30/CEM40/CEM45 mounts.

These high quality filters are type 2 glass which means you will see an orange/yellow view of the sun. These filters are designed for observing sun spots.

These high quality filters are type 2 glass which means you will see an orange/yellow view of the sun. These filters are designed for observing sun spots.

These high quality filters are type 2 glass which means you will see an orange/yellow view of the sun. These filters are designed for observing sun spots.

These high quality filters are type 2 glass which means you will see an orange/yellow view of the sun. These filters are designed for observing sun spots.

Can be fitted to any of our telescopes supplied with the EQ5 equatorial mount.
Provides multi-speed (1x/2x/8x) motor tracking of the R.A. & DEC. axes.

For the price, the Raptor Porro prism binoculars are simply stunning. For younger people, those just starting out with binoculars or even a binocular that can easily be used by all the family, these fit the bill.

A go anywhere and "take to the road" in the glove compartment of a car binocular, the Vanquish weigh in at a mere 12.7 ounces and are competitively priced to be that second pair.

WO LOSMANDY D-SERIES STYLE 400mm DOVETAIL UNIVERSAL PLATE. UNIVERSAL DOVETAIL Plate for Losmandy style saddle plates was designed to fit Most of the refractors in the market. Available in 3 colours.

Introducing New model William Optics Dura-Bright diagonal - a dramatic step forward in the evolution of mirror diagonals!

The brand new RVO Horizon® 60 1.0x Field Flattener to suit the RVO Horizon® 60 ED refractor.

High quality erecting prism with Red anodized plate , the complete housing is made by 6061T Aluminium by CNC. This 1.25" 90° erecting prism will very useful for daytime observations.

1.25” RedCat Erecting Prism in silver for a perfect match to the new SpaceCat 51! Now you can use your SpaceCat during the day with correctly orientated views.

The Astronomik ProPlanet 642 BP is the lastest addition to the family of Astromik ProPlanet IR-pass filters. The filter thrills because of it´s wide range of applications.