Diameter/Aperture: 130mm Focal Length: 900mm Aluminized and overcoated mirrors 6x24 finderscope 130mm primary mirror collects 30% more light than the 114mm, resulting better image resolution and brighter image Smooth rack-and-pinion 1.25" focuser.

Recommend for:DEEP SKY OBSERVING

Optical Design Newtonian Reflector Lens Material Diameter 130mm Focal Length 900mm Scondary Mirror Diameter 34.5mm F/ratio F/7 Highest Practical Power 260x Faintest Steller Magnitude 13.3 Resoving Power 0.9 Finderscope Red Dot Finder* Focuser diameter 1.25” Diagonal n/a Eyepiece(s) 1.25” Super 20 and 10* Mount Type Equatorial Slow-motion Control RA & DEC Counterweight(s) 3.5Kgs Piggyback Bracket Yes Accessory Tray Wall-to-wall Ground Board Diameter n/a Ground Board Weight(s) n/a Motor Drive Single Axis (Optional)* Go-to Optional Tube Weight 4.21Kgs Tube Dimension(dia. x length) 17cm x 83cm Tripod Height 71-123cm Shipping Weight 20.1 Kgs Shipping Carton Dimensions 111 x 51.5 x 28.5 cm3.