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Our novel MaxFR emission line filters are suitable up to very fast focal ratios. The new Astronomik MaxFR series of narrowband-emissionline filters are perfectly matched to the requirements of astronomical deep-sky imaging with fast optical systems.

Our novel MaxFR emission line filters are suitable up to very fast focal ratios. The new Astronomik MaxFR series of narrowband-emissionline filters are perfectly matched to the requirements of astronomical deep-sky imaging with fast optical systems.

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.

The new Biorit ICD is the successful combination of good price, high quality and useful equipment.

The brand new RVO Horizon® Finder/Guide scope. Guide with ease with this superb combination finderscope. This high quality 50mm Horizon Guide comes complete with a 24mm illuminated reticle eyepiece, bracket with 6 point delrin tipped adjusters on a vixen style clamp

Introducing the brand new RVO Horizon® 1.0x Field Flattener with integrated rotator to suit the RVO Horizon® 72 ED refractor. This high quality flattener will provide a beautifully flat field across the full width which is ideal for widefield imaging.

Introducing the brand new RVO Horizon® 0.8x Reducer / Field Flattener with integrated rotator to suit the RVO Horizon® 80 ED refractor. This high quality flattener will provide a beautifully flat field across the full width which is ideal for widefield imaging.

The Helios Lightwing HR roof prism models are bright new stars in the Helios roof prism range which will satisfy even the most discerning user. Comprising six models over 32mm and 42mm objective lens apertures with exotic ED glass options for the 42mm sizes.

Converts D Series Mounts to an Arca Swiss Series Mount. The Arca Swiss dovetail is found on many cameras and camera lenses.

Used for attaching telescope OTA to existing mount or attaching accessories to top of OTA. The XL version adds extra length to the back of the dovetail bar.

Fits D Series Dovetails. Allows attachment of V Series dovetail bars to D Series dovetail bars. 7″ Long, 4″ Wide, 1″ thick, Wt. 44 oz.

100mm, 125mm or 150mm guidescope/finderscope rings with 3/8" aluminum adjusting screws with large 1/4" Delrin Tips. Stainless steel and anodized aluminum throughout for maximum durability.

Converts the popular Vixen "V" series dovetail saddle to accept the Losmandy "D" Series dovetail bars. Simply attach the saddle adapter to your mount using the mount locking screw.

Includes two 100mm, 125mm or 150mm guidescope/finderscope rings on Vixen Style Dovetail Plate Adapters. Fits popular Vixen style dovetail bars (Synta,Meade,Celestron and others).

Achieving the optimum magnification with a twist - a compact solution, especially when travelling and lacking space for bulky equipment.

Take your telescope anywhere with this portable, rechargeable power supply. Enjoy extended observing and imaging sessions worry-free with 17 amp-hours of power in one convenient package. Use the included removable red flashlight while your eyes are dark-adapted to find accessories and reference star charts