Optical system: Newtonian reflection
Caliber: 114mm
Focal length: 900mm
Focus ratio: 7.89
Eyepiece 1: 20mm
Magnification 1:45 x
Eyepiece 2: 4mm
Magnification 2: 225 x
Barro lens: 3 x (Is this there? I don't think it is， the tube is so long， or it is an external Barrow.)
Finder mirror: 5 x24
Base: style equatorial
Tripod: aluminum
Accessory tray: no need to install tools / eyepiece support
CD ROM: The Sky X Planetary Software
Total weight: 8.62kg
Limit star: 12.8
Resolution (Rayleigh limit): 1.22 arc seconds
Resolution (Du's limit): 1.02 angular seconds
Photo resolution: 253 strips / mm
Light collection: 265x
Field of view: 0.9°
Linear field of view (1000 yards): 14.6
Optical coating: aluminum film
Secondary mirror occlusion: 25.4mm
Secondary mirror area occlusion ratio: 5%
Secondary mirror diameter occlusion ratio: 22.3%
Main barrel length: 863.6mm