The SkyWatcher Explorer 250PDS Parabolic Newtonian Reflector incorporates the same superb mirror set as the Explorer-250P Black Diamond Series, but with two significant advantages. A Dual-Speed 10:1 ratio focuser is now included for excellent focusing precision. Also the tube length has been slightly shortened to optimise performance for prime-focus photography.
Includes 9x50 finder, 2" 28mm Eyepiece, Dual speed focuser and tube rings!
Even better performance for astro-photography and visual use can be achieved when used in combination with Sky-Watcher's Newtonian coma corrector (Prod.Code 20233)
Specifications:
Magnifications (with eyepieces supplied) x43
Highest Practical Power (Potential) x500
Diameter of Primary Mirror 254mm
Telescope Focal Length 1200mm (f/4.7)
Eyepieces Supplied 28mm LET (2"/50.8mm)
9x50 Finderscope
Parabolic Primary Mirror
2" (50.8mm) Dual-Speed 10:1 Crayford Focuser
0.5mm Ultra-Thin Secondary Mirror Supports
56% more Light-Gathering than 200mm
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