Orion SkyScanner BL 102mm - Telescope Specifications

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Specifications
SkyScanner BL 102mm
Primary mirror: 102mm diameter
Secondary mirror: 25mm minor axis
Mirror coatings: Aluminum with SiO2 overcoat
Central obstruction: 31.2mm (30.6%)
Focal length: 640mm
Focal ratio: f/6.3
Focuser: 1.25" Rack-and-pinion, accepts
1.25" eyepieces
Eyepieces: 25mm Kellner and 10mm
Plossl, 1.25"
Magnication: 26x (with 25mm), 64x (with
10mm)
Barlow lens: 3x magnifying power
Finder: LED red dot reex sight, 3V
lithium battery
Mount: Single-arm altazimuth,
composite base, laminated
Weight, assembled: 10 lbs., 6.5 oz.
Tube Length: 21.5" (54.6cm)
Tube Outer Diameter: 5.7" (145mm)
SkyScanner BL 135mm
Primary mirror: 135mm diameter
Secondary mirror: 35mm minor axis
Mirror coatings: Aluminum with SiO2 overcoat
Central obstruction: 38mm (28.1%)
Focal length: 1100mm
Focal ratio: f/8.1
Focuser: 2" Rack-and-pinion, accepts
1.25" and 2" eyepieces
Eyepieces: 25mm Kellner and 10mm
Plossl, 1.25"
Magnication: 44x (with 25mm), 110x (with
10mm)
Barlow lens: 3x magnifying power
Finder: LED red dot reex sight, 3V
lithium battery
Mount: Dobsonian altazimuth,
composite base, laminated
Weight, assembled: 32 lbs., 9 oz.
Tube Length: 40" (101.6cm)
Tube Outer Diameter: 6.9" (176mm)