Select a product
from the list below in order to see the detailed product review.
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> 20X SW | |
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> 30X SW | |
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> 45X SW | |
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> 20-60X S | |
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Model:
20X SW, 30X SW, 45X
SW, 20-60X S
20X SW 30X SW
45X SW 20-60X S
Description
:
All eyepiece lenses are 100 % watertight.
The 20-60x zoom is in any case the only watertight zoom lens. The fully
adjustable eyecup with its large diameter opens up the full field of
vision even for eyeglass wearers, providing a very comfortable viewing
feel. All eyepieces are fitted with an integrated, quick-release lens
cover. The new S-lenses also come with the unique SWAROTOP coating for
bright and contrast-rich images, whatever the light conditions.
Technical
Specification :
-
Functional temperature: -20 to +55° C (-4 to
+131° F)
-
Storage temperature: -30 to +70° C (-22 to
+158° F)
-
S-eyepieces are watertight
-
Objective lens focal length: 460 mm (18.11 in)
Specification :
| |
Eyepiece
20xSW
|
Eyepiece
30xSW
|
Eyepiece
45xSW
|
Eyepiece
20-60xS
|
|
Magnification |
20x
|
30x
|
45x
|
20-60x
|
|
Objective lens
diameter (mm) |
–
|
–
|
–
|
–
|
|
Exit pupil, diameter
(mm) for all 65 |
3.3
|
2.2
|
1.4
|
3.3-1.1
|
|
Exit pupil, diameter
(in) for all 65 |
0.18
|
0.09
|
0.05
|
0.18-0.04
|
|
Exit pupil, diameter
(mm) for all 80 |
4
|
2.7
|
1.8
|
4-1.3
|
|
Exit pupil, diameter
(in) for all 80 |
0.16
|
0.11
|
0.07
|
0.16-0.05
|
|
Exit pupil, diameter
(mm) for CTS 85 |
–
|
2.8
|
1.9
|
4.3-1.7
|
|
Exit pupil, diameter
(in) for CTS 85 |
–
|
0.11
|
0.08
|
0.18-0.07
|
|
Eye relief (mm) |
17
|
20
|
18
|
17
|
|
Eye relief (in) |
0.67
|
0.79
|
0.71
|
0.67
|
|
Field of view, real
(m/1000 m) |
60
|
42
|
28
|
36-20
|
|
Field of view, real
(ft/1000 yds) |
180
|
126
|
84
|
108-60
|
|
Field of view, real
(degree) |
3.44
|
2.4
|
1.6
|
2.1-1.1
|
|
Field of view,
apparent (degree) |
66
|
66
|
66
|
40-65
|
|
Shortest focusing
distance (m) |
–
|
–
|
–
|
–
|
|
Shortest focusing
distance (ft) |
–
|
–
|
–
|
–
|
|
Diopter correction at
8 (dpt) |
–
|
–
|
–
|
–
|
|
Twilight factor (DIN
58388) for all 65 |
36
|
44
|
54
|
36-62
|
|
Twilight factor (DIN
58388) for all 80 |
40
|
49
|
60
|
40-69
|
|
Twilight factor (DIN
58388) for CTS 85 |
–
|
50
|
62
|
41-71
|
|
Objective filter
thread |
–
|
–
|
–
|
–
|
|
Length, approx. (mm) |
70
|
73
|
78
|
86
|
|
Length, approx. (in) |
2.80
|
2.87
|
3.1
|
3.39
|
|
Weight approx. (g) |
220
|
250
|
260
|
260
|
|
Weight approx. (oz) |
7.8
|
8.8
|
9.2
|
9.2
|
| | | 
