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Impartial price comparison
Helios Binoculars Ranger 7x32 vs. Celestron AstroMaster 130EQ-MD 130/650 + 9
Length
128 mm
610 mm
150 mm
170 mm
149.9 mm
432 mm
660 mm
174 mm
Product weight
214 g
7000 g
4170 g
575 g
855 g
692 g
1500 g
660 g
Features
Anti-glare treatment
Multi Coated
Multi Coated
Multi Coated
Fully multi-coated
Fully multi-coated
Fully coated
Exit pupil
4.57 mm
2 mm
15.7 - 4.2 mm
5 mm
4.2 mm
10 - 20 mm
3 mm
Eye distance (between eye and lens)
15.7 mm
12 mm
16 mm
14.5 mm
Focus system
Individual focus
Central focusing
Central focusing
Central focusing
Central focusing
Prism/Mirror binoculars
Mirror Binoculars
Mirror Binoculars
Prism Binoculars
Prism Binoculars
Prism Binoculars
Mirror Binoculars
Mirror Binoculars
Prism Binoculars
Prism glass
BK-7
Bak-4
Prism system
Roof
Porro
Roof
Porro
Type
Focal Length
650
900
1200
650
2032
400
Brightness
20.88
4
17.64
25
17.64
400
9
Field of view (m @ 1000m)
24 - 6 m
122 m
114 m
110 m
67 - 22 m
87.5 m
Lens diameter
32 mm
130 mm
42 mm
50 mm
42 mm
203 mm
70 mm
36 mm
Magnification
7 x
32.5 - 65 x
378 x
10 x
10 x
10 x
29 - 480 x
20 - 40 x
12 x
Minimum focus distance
0.3 m
3 m
6 m
1.5 m
6 m
Point of view
7.5 °
1.5 °
7.2 °
6.5 °
6.3 °
0.63 °
5 °