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The narrowband UHC filter, like the O-III filter, isolates the two doubly ionized oxygen lines (496 and 501nm) in addition to the hydrogen-beta line (486nm) emitted by planetary and most emission nebulae.

A high quality focuser designed for Newtonian Reflector Telescopes.

Will accept both 1.25" and 2" standard format eyepieces. Features adjustable tension and locking clamp.

NX4 (C90) / ETX (and SC) Universal Photo-Adapter (incl.1'/4" Filterholder)

Consists parts 2958500A and 2958500B also available separately.

The ideal accessory for refractor telescopes
Perfect for nature observations
Easy orientation in the night sky

NPL eyepieces offer an outstanding price/performance ratio as well as excellent colour correction, contrast and sharpness.

NPL eyepieces offer an outstanding price/performance ratio as well as excellent colour correction, contrast and sharpness.

NPL eyepieces offer an outstanding price/performance ratio as well as excellent colour correction, contrast and sharpness.

The 2-group, 4-element Plossl lens design of the NPL eyepieces ensures clear and sharp images with good colour correction.

NPL eyepieces offer an outstanding price/performance ratio as well as excellent colour correction, contrast and sharpness.

This 3.4KG counterweight has been made to fit Losmandy and Celestron CGX mounts. Perfect if you are looking to add a small amount of weight to achieve balance.

This tune-up kit further increases the precision of your drives through a series of adjustments that Meade's assembly line did not take the time to optimize or simply cannot make.

Ideal addition to the Astronomik ProPlanet IR 742 for imaging the moon and planets, with telescopes larger then 10" (250mm) when the seeing is poor. This filter is an ideal complement to the ProPlanet IR 742 for use with converted DSLR cameras, CCD cameras and Webcams.

LUNAR Mini
Discover the Moon in miniature
Explore the Moon with the world's smallest smart lunar model. Scale 1:12,000,000

A 22 mm spacer for use with the off-axis guider. This is needed to maintain the required back focus when a EFW2/3 is absent.

If you require a 2" to 1.25" adaptor but can't afford the large profile of regular adaptors, then this is the one for you. Once fitted, this adaptor has an optical length of just 1mm, minimizing the optical train length.

This handy accessory fits directly in place of a single 1.25" eyepiece, then 4 of your favourite eyepieces or even a CCD or webcam can be selected quickly and smoothly by rotating the Q turret