Skywatcher 90 RA Polar ScopeThe new Sky Watcher 90 Polar Scope Eyepiece now makes polar aligning your mount so much easier! The eyepiece sleeve securely clamps over the standard polar scope eyepiece using three non marring, plastic tipped, knurled metal thumbscrews. This is far superior method of clamping compared to similar looking products on the market that use only one clamping screw and more reliable than those using a brass compression ring, which can be problematic. The

A Lens Shade/Dew Cap is a tube

Celestron’s signature telescopes reach a new level with NexStar Evolution 8

Image processing is discussed in detail

forested area of Siberia

Unit does not require batteries or external power

Clear aperture: 60 mm clear aperture lens optimized for a 42 mm image circle for use with large CCD sensors

Telescope Focal Length: 300mm (f/4)

Retains the highest light transmission of all known color correcting devices – be it filters or lenses – in all important deep sky wavelengths from 486/501 up to 656 nm

ergonomic handles

L-Ultimate Specification

The GP is capable of up to 30 frames per second and will download both 8bit data with the convenience of saving to standard avi file format

the telescope will be auto-levelled and the mount via GPS data fixing will calculate the altitude and azimuth of the sun based on the time and location