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Gerd Neumann's Ronchi Eyepiece employs a chrome-on-glass grating of 10 lines per millimetre, providing a high-contrast display of starlight that enables good analysis of the optical train.

Colored filters can be used to bring out details on a planet’s surface or its cloud structure.

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 loosing the focus.

This 1.25" accessory can be used three ways: as a 2X Barlow for visual use, as a prime focus T-adapter, or as a -Barlowed" T-adapter for double the magnification and the benefit of extra inward focus travel.

Step by step guide to observing variable stars with a CCD camera Aimed at the complete newcomer to variable stars.

Enhances contrast during planetary observation.

Colour CCD cameras such as the Skyris colour planetary cameras are very sensitive across the visual spectrum, as well as in infrared.

When we install many instruments (for example telescope with guide scope in parallel) on the mount, it can happen that they are too close together, and that some element touches the others.

For Sky-Watcher models with Direct SLR Camera Connection

Features improved star charts for helping you find the objects, a much more robust telling of the history behind their discovery - including a glimpse into Messier's fascinating life.

Cables to power cooled CCD/CMOS cameras from the Primaluce Lab Eagle.

Baader's zero power red dot finderscope featuring a 30mm optical aperture with anti-relective lens coatings.

Designed with internal 2 inch (m48) filter thread for direct DSLR coupling onto many 2 inch diagonals such as the very popular Herschel Wedge or 2 inch Maxbright Diagonal.

Locking / sliding T-2 focusor (for 1.25 Inch eyepieces / 10mm focus travel).

Comprises 4 x high quality glass colour filters.  

These diagonals are made to yield maximum performance!

This cable is used to convert a serial cable into a cable that is compatible with standard USB ports.

Updated to include all of the latest developments in CCDs, this second edition of the Handbook of CCD Astronomy is a concise and accessible reference on all practical aspects of using CCDs.

How to Use a Computerized Telescope is the first handbook that describes how to get your computerized telescope up and running, and how to embark on a program of observation.