Lightweight and beautifully machined. 16.5mm thickness. Large prism: 8*8mm (actually, it's a mirror). Allows the use of a guide camera in off axis position next to the main imaging camera without the need for a guide scope.

Second hand Antares x3 barlow lens with twist lock. The barlow itself is in excellent condition. There is a slight blemish on the lens which can be seen on the images. This doens't affect the use of the barlow though.

Second hand Celestron 10mm plossl eyepiece in excellent condition. The glass has no marks or blemishes. Suitable for high power observing in most telescopes. Standard 1.25" fitting with filter thread.

Second hand GSO 4 piece colour filter kit in excellent condition. All filters are nice and clean with no marks or blemishes. Each come complete with their own bolt case. The orange filter has no markings on it hence the price, but still the same quality as the rest of them. A nice little kit for the avid observer.

Second hand Meade piggyback bracket to suit the 10" SCT telescopes. Allows you to mount a camera on the rear for widefield shots. Please note, no mounting hardware is included with this.

Second hand serial to USB converter. Ideal for converting the serial port on your telescope to a PC for updating firmware and controlling via software.

Second hand Skywatcher short dovetail bar in excellent condition. A few marks on the clamp side which you'd expect. Ideal mounting solution for small, lightweight systems.

Using narrowband filters can often result in slightly dimmer images, which can be difficult to resolve to a focus. You can now use this filter to focus perfectly with a bright image and since they are also parfocal, switch to a different narrow band filter without losing the focus.

This very useful addition to the Baader filter range is intended for the luminance channel in astro imaging. Using narrowband filters can often result in slightly dimmer images, which can be difficult to resolve to a focus.

These superior quality focusers are packed full of features such as 8:1 micro speed focusing, tri knob mechanism with shaft lock, stainless steel ball bearings, 6lb weight limit and beautifully designed.

High quality 2.5" large format crayford focuser to suit a variety of different OTA's. More telescopes will be added shortly. If you need a particular fit, please contact us for more details.

Second hand Meade Electronic Focus unit in excellent condition complete with all fixings. This version has the handset so you don't need the focusing feature on your mount for this to operate. All in very good condition and full working order. A must for astrophotographers.

Second hand Meade Electronic Focus unit in excellent condition complete with all fixings. This version doesn't have the handset include so you will need the focus input on your Meade mount in order to use this device. All in very good condition and full working order. A must for astrophotographers.

Second hand Meade tripod to suit the LX10, LX90 and LX200 ranges. The tripod itself is in excellent condition. All the leg clips have been tested and they are working well as expected.

The brand new Rother Valley Optics EQMOD direct adaptor to suit the popular Skywatcher AZ-GTi mounts. This amazing adaptor allows you to control your AZ-GTi mount directly from a laptop or PC.

A nice small, compact and lightweight guidescope kit put together by RVO. The Skywatcher 9x50 straight finderscope makes the ideal small guidescope due to it's 50mm aperture and fully adjustable bracket.

The brand new RVO 32mm F4 mini guide scope is the ultimate lightweight solution to guiding. Weighing only 287 grams, this compact guidescope will work on most systems without affecting balance.

The RVO mini vixen style clamp is the ultimate mounting solution. Featuring high quality clamps with blocks, multiple countersunk mounting holes, and large hand knobs, this is one of the best clamps on the market.

Use the iOptron 90° Dielectric Star Diagonal to place your head in a comfortable viewing position when your refractor or catadioptric optical tube assembly (OTA) is aimed at or near the zenith. Built with a dielectric hard-coated BK-7 glass mirror, the diagonal transmits more than 99% of the incoming light

Built with a dielectric hard-coated BK-7 glass mirror, the diagonal transmits more than 99% of the incoming light to ensure clear and bright high-contrast images while maintaining maximum resolution. Designed to be lightweight and durable, the diagonal features an aluminum housing with a black anodized finish.

The new ZEQ25/CEM25 mini pier. Die casting and machined metal. Perfect for adding distance between your scope and tripod on the iOptron ZEQ25/CEM25 mount. It also work for SkyGuide and field tripod #3501.

With a wide field of view and low-profile aperture, the iOptron 6x30mm Finderscope is an ideal finder for star-hopping navigation that won't add excessive weight or bulk to your OTA.

The iOptron 8x50mm Finderscope is an ideal finder for deep-sky observers who need additional magnification and aperture to be able to detect smaller and dimmer objects outside our solar system like binary stars, nebulae, or galaxies.

The new 8-inch tall ZEQ25/CEM25 mini pier. Die casting and machined metal. Perfect for adding distance between your scope and tripod on the iOptron ZEQ25/CEM25 mount. It also work for SkyGuide and field tripod #3501.