Detailed Product Description

10 reflector telescope with additional calibrating mirror group for promoting optical
performance and compact tube size.
Aperture:10inch/254mm,
Focal length (f):1600mm (63-inch), f/6,
telescopes mirrors : Spherical Primary mirror,
with additional calibrating mirror for promoting optical performance and compact
tube size,
telescopes mounts : Heavy duty eq5 German equatorial mount
(bigger mount built-in auto goto tracking system is developing)
Finder scope:8x50mm,
telescopes tripod: heavy duty steel tube tripod, 
Standard accessories:31.75mm (1.25") eyepiece pl6.5mm, pl20mm,

Angular resolution (resolving power):0.753 arcsec,
Maximum useful magnification:300x, 
Limiting magnitude:14.8,

Optional telescopes accessories: 
computerized telescopes:Auto GOTO tracking star system for EQ5,
GPS telescopes:GPS external module,
astrophotography telescope:Electro-focuser compatible with Auto GOTO tracking star
system,
motorized telescope:Dual axes hand control motor driver box for EQ5,
2x or 3x achromatic barlow lens,2x ED barlow lens,
70 degree Super Wide Angle/SWA eyepieces,
80 degree Ultra Wide Angle/UWA eyepieces,
Extra Dispersal/ED Eyepieces,
zoom eyepieces,
45 degree or 90 degree 100% full reflex roof prism,
8x50 illuminating reticle finder scope,
6mm or 12mm Illuminating reticle guide scope,
Moon filter/luner filter,moon telescopes,
Sun filter/solar filter,solar telescopes,sun telescopes,
more eyepiece adapter and camera adapter for your option.

other reflector telescope with additional calibrating mirror group for promoting
optical performance and compact tube size,
8inch,D=203mm,f=1400mm,
6inch,D=152mm,f=1050mm.

other reflector telescope with Parabolic Primary Mirror:
10inch,D=254mm,f=1150mm,
8inch,D=203mm,f=203mm,
6inch,D=152mm,f=675mm.