Technical Specifications - Celestron TRAVEL SCOPE 70 Manuel D'instructions

TECHNICAL
SPECIFICATIONS
Optical Design
Aperture
Focal Length
Focal Ratio
Optical Coatings
Finderscope
Diagonal
Eyepieces
Barlow Lens – 3x 1.25"
Apparent Field of View
Angular Field of View
Linear Field of View --
ft/1000 yards
m/1000 meters
Near Focus w/20 mm Eyepiece
Mount
Altitude Locking Knob
Azimuth Locking Knob
Astronomy Software Download
Highest Useful Magnifi cation
Limiting Stellar Magnitude
Resolution -- Raleigh (arc seconds)
Resolution -- Dawes Limit " "
Light Gathering Power
Optical Tube Length
Telescope Weight
Note: Specifi cations are subject to change without notice or obligation.
18 I ENGLISH
Model # 21035
Travel Scope 70
Refractor
70 mm (2.8")
400 mm
f/5.7
Fully Coated
5x24
Erect Image - 45° 1.25"
20 mm 1.25" (20x)
10 mm 1.25" (40x)
N/A
20 mm @ 50°
10 mm @ 50°
20 mm @ 2.5°
10 mm @ 1.3°
20 mm @ 131/44
10 mm @ 67/22
19' (5.8 m)
Altazimuth (Photo Tripod)
Yes
No
Yes
168x
11.7
1.98
1.66
100x
17" (43 cm)
3.3# (1.5 kg)
Model # 21038
Travel Scope 50
Refractor
50 mm (2.0")
360 mm
f/7.2
Coated
2x20
Erect Image .96" to 1.25" - 45°
20 mm 1.25" (18x)
8 mm 1.25" (45x)
Yes (60x & 135x)
20 mm @ 32°
8 mm @ 30°
20 mm @ 1.6°
8 mm @ 0.7°
20 mm @ 84/28
8 mm @ 37/13
15' (4.5 m)
Altazimuth (Photo Tripod)
Yes
No
Yes
120x
11.1
2.66
2.28
51x
12" (30 cm)
2.2# (1.0 kg)