ORION STARBLAST 90 TRAVELSCOPE refractor on altazimuth mount, complete with bag

Weight: 4 kg
Brand: Orion
Equipment: Orion refractor 90mm, f/5.6 Kellner eyepiece 25mm 1.25" Kellner eyepiece 9mm 1.25" 45° diagonal mirror built-in, non-removable Finderscope 5x20 Stainless steel tripod with 2-way rotatable panoramic head
Product color: White
Description: Refractor
Type: Refractor
Installation: Floor
Lens diameter: 90 mm
Resolution: 1.29 ar seconds
Lens focal length: 500 mm
Pipe length: 58.4 mm
Pipe diameter: 90 mm
Seeker: Optic
Max. tripod height: 1370 mm
Tripod material: Steel
Min. tripod height: 800 mm
Mount: Altazimuth
Number of eyepieces included: 2
Max. useful magnification: 106 x
Min. useful magnification: 13 x
Optical design: Achromatic
Relative hole: 1:5.6
Useful magnification: 13x-106x
Eyepiece bore diameter: 1.25 in.
Penetrating power magnitude: 12.4
AR coating: There is