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The Ultima Edge 18mm has a generous 65° field of view perfect for viewing planets, stars and the Moon’s surface. This eyepiece provides higher-powered magnification, perfect for those times when you want to get up close to smaller objects.

This 22lb Counterweight Accessory is designed for CGE Pro Series Computerized Telescopes or CGE Pro EdgeHD Series Computerized Telescopes.

With teleextenders it is possible to extend the effective focal length of a telescope system, resulting in higher magnification for the observation of the moon, the planets or small Deep-Sky objects with the same eyepieces.

A new hermetic elephant case has arrived. The dimensions are abundant especially in height.
The dimensions are 505mm in length, 340mm in width and 275mm in depth.

Image calibration is a very important first step in the processing of an astronomical image.
Light Frames' are images (or a video) of a celestial object captured by the CCD.

This counterweight will fit the following mounts:
CEM70/CEM70G, GEM45/GEM45G/GEM45EC, iEQ45/iEQ45 Pro, CEM60/CEM60EC, CEM40G (NOT for CEM40 or CEM40EC)

We have developed this versatile pier adaptor to go perfectly with our RVO HD Pier. This adaptor fits most Celestron and Skywatcher mounts

Allows certain Sky-Watcher mounts with 3/8" tripod threads to be used with the WAVE Carbon Fibre Tripod (Code 20984).

Allows the WAVE-100i and WAVE-150i Mount Heads to fit to the WAVE Carbon Fibre Tripod (Code 20984).

Allows the WAVE-100i and WAVE-150i Mount Heads to fit to the EQ5/HEQ5 1.75" Stainless Steel Tripod

Allows the WAVE-100i and WAVE-150i Mount Heads to fit to the EQ6 2" Stainless Steel Tripod

SWAN: a huge-lens rich-field eyepiece at a very reasonable price! Fully multicoated advanced design for breathtaking and jaw-dropping 72 deg. F.O.V. views.

All new unique, RotoLock high-quality fully multi coated WO 50mm f/4 Guiding scope that fits perfectly on your William Optics OTA and other telescopes.
The tube diameter is 54mm and dew shiled of 58mm.

This 17lb Counterweight Accessory is designed for CGEM Series Computerized Telescopes or CGEM EdgeHD Series Computerized Telescopes.

Stalking, sitting, inspecting - the MINOX X-lite series binoculars are always at your side when the next adventure is around the corner. With their 8x or 10x magnification, they let you see details even at greater distances to help you positively identify your game.

The Baader IR-Pass filter blocks wavelengths below 685 nm. At these longer wavelengths, planetary images are less disturbed by wavefront distortions in the atmosphere (seeing).