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Impartial price comparison
Opticron Oregon Observation 11x70 vs. Celestron AstroMaster 130EQ-MD 130/650 + 9
Length
276 mm
610 mm
432 mm
280 mm
150 mm
660 mm
406 mm
170 mm
Product weight
1387 g
7000 g
4170 g
1474 g
575 g
1500 g
855 g
Features
Anti-glare treatment
Multi Coated
Multi Coated
Multi Coated
Fully coated
Multi Coated
Fully multi-coated
Exit pupil
6.36 mm
2 mm
2.8 mm
15.7 - 4.2 mm
10 - 20 mm
5 mm
Eye distance (between eye and lens)
25 mm
13 mm
15.7 mm
12 mm
Focus system
Central focusing
Central focusing
Prism/Mirror binoculars
Prism Binoculars
Mirror Binoculars
Mirror Binoculars
Prism Binoculars
Prism Binoculars
Mirror Binoculars
Mirror Binoculars
Mirror Binoculars
Prism Binoculars
Prism glass
Bak-4
BK-7
Prism system
Porro
Porro
Roof
Porro
Type
Focal Length
650
900
2032
650
1200
400
1500
Brightness
40.45
4
7.84
17.64
400
25
Field of view (m @ 1000m)
24 - 6 m
9 m
122 m
67 - 22 m
114 m
Lens diameter
70 mm
130 mm
203 mm
70 mm
42 mm
70 mm
152 mm
50 mm
Magnification
11 x
32.5 - 65 x
29 - 480 x
25 x
378 x
10 x
20 - 40 x
60 x
10 x
Minimum focus distance
23 m
3 m
6 m
Point of view
1.5 °
0.63 °
7.2 °
6.5 °