Skywatcher 90 RA Polar Scope A400 Telescope Focal Length: 650mm (f/5)

Telescope Focal Length: 650mm (f/5)

Telescope Focal Length: 1200mm (f/8)

easy to use

More detailed info about atmospheric dispersion and the use of ADCs you can read here: Martin Lewis tells you what an ADC is and why you need it

the Celestron Advanced VX 6R Goto Refractor gives the highest possible contrast

Skywatcher 90 RA Polar Scope A400 Telescope Focal Length: 650mm (f/5)The 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