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20 I ENGLISH
TECHNICAL
SPECIFICATIONS
Model # 22035
Travel Scope 70DX
Model # 22007
Travel Scope 60DX
Optical Design Refractor Refractor
Aperture 70 mm (2.8") 60mm (2.4”)
Focal Length 400 mm (15.74”) 360 mm (14.17”)
Focal Ratio f/5.7 f/6.0
Optical Coatings Fully Coated Coated
Finderscope 5x24 5x24
Diagonal Erect Image - 45° 1.25" Erect Image -45° 1.25”
Eyepieces 20 mm 1.25" (20x) 20 mm 1.25” (18x)
10 mm 1.25" (40x) 8 mm 1.25” (45x)
Barlow Lens – 3x 1.25” N/A Yes (9x & 142x)
Apparent Field of View 20 mm @ 50° 20 mm @ 32°
10 mm @ 50° 8 mm @ 30°
Angular Field of View 20 mm @ 2.5° 20 mm @ 1.6°
10 mm @ 1.3° 8 mm @ 0.7°
Mount Manual Altazimuth Manual Altazimuth
Altitude Locking Knob Yes Yes
Azimuth Locking Knob No No
Astronomy Software Download Yes Yes
Highest Useful Magnification 168x 42x
Limiting Stellar Magnitude 11.7 11.4
Resolution -- Raleigh (arc seconds) 1.98 2.32
Resolution -- Dawes Limit “ “ 1.66 1.93
Light Gathering Power 100x 73x
Optical Tube Length 431.8mm (17”) 381mm (15”)
Telescope Weight 1.68 lbs (.76 kg) 1.5 lbs (.68 kg)
Note: Specifications are subject to change without notice or obligation.
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