COR-120MI:

12mm Fixed Focus Lens with Manual Iris

Description
Quick Specs

This 12mm fixed focus lens fits CS-mount cameras. It has an increased focal length when compared to standard lenses and brings the subject much closer to the viewer. Manual iris.

CS-Mount, C-Mount Cameras & Lenses

C- and CS-mount lenses are standard equipment on many traditional CCTV cameras. The two type of lenses differ in how they are mounted. The distance from the surface where the lens comes in contact with the camera to the focal point (the "flange back") of a CS-mount lens is 12.5mm (0.492"). This is 5mm shorter than a C-mount lens. Most professional cameras are CS-mount cameras and include a C-ring, so they can us a C-mount lens OR a CS-mount lens. You can't use a C-mount camera with a CS-mount lens - the lens won't fit.

Please contact a Sales Representative for Specification concerning this lense product as well as prices and availability.

12mm optical glass
Manual iris
Fits CS-style lens mount

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Lens Focal Length

Distance between camera and monitored zone

5-feet

10-feet

Millimeters

2.45
2.80
2.97
3.60
3.70
4.0
4.30
5.0
6.0
8.0
12.0
16.0
25.0
50.0

Horz area

17.3'
14'
12.3'
7.5'
7.3'
6.6'
6.1'
4.7'
3.8'
2.9'
1.9'
1.4'
1'
0.4'

Vert area

13'
10.5'
9.6'
5.7'
5.5'
5'
4.6'
3.5'
2.9'
2.2'
1.5'
1.1'
0.7'
0.3'

Horz area

34.6'
28'
24.6'
15'
14.6'
13.2'
12.2'
9.4'
7.6'
5.8'
3.8'
2.8'
2'
0.8'

Vert area

26'
21'
19.2'
11.4'
11'
10
9.2'
7'
5.8'
4.4'
2.8'
2.2'
1.4'
0.6'

15-feet

25-feet

Millimeters

2.45
2.80
2.97
3.60
3.70
4.0
4.30
5.0
6.0
8.0
12.0
16.0
25.0
50.0

Horz area

51'
42'
36.9'
22.5'
21.9'
19.8'
18.3'
14.1'
11.4'
8.7'
5.7'
4.2'
3'
1.2'

Vert area

39'
31.5'
28.8'
17.1'
16.5'
15'
13.8'
10.5'
8.7'
6.6'
4.5'
3.3'
2.1'
0.9'

Horz area

86.5'
70'
61.5'
37.5'
36.5'
33'
30.5'
23.5'
19'
14.5'
9.5'
7'
5'
2'

Vert area

65'
52.5'
48'
28.5'
27.5'
25
23'
17.5'
14.5'
11'
7.5'
5.5'
3.5'
1.5'

50-feet

100-feet

Millimeters

2.45
2.80
2.97
3.60
3.70
4.0
4.30
5.0
6.0
8.0
12.0
16.0
25.0
50.0

Horz area

173'
140'
123'
75'
73'
66'
61'
47'
38'
29'
19'
14'
10'
4'

Vert area

130'
105'
96'
57'
55'
50'
46'
35'
29'
22'
15'
11'
7'
3'

Horz area

346'
280'
246'
150'
146'
132'
122'
94'
76'
58'
38'
28'
20'
8'

Vert area

260'
210'
192'
114'
110'
100
92'
70'
58'
44'
28'
22'
14'
6'

Lens Focal Length

Distance between camera and monitored zone

5-feet

10-feet

15-feet

25-feet

50-feet

100-feet

Millimeters

Horz area

Vert area

Horz area

Vert area

Horz area

Vert area

Horz area

Vert area

Horz area

Vert area

Horz area

Vert area

2.45

17.3'

13'

34.6'

26'

51.9'

39'

86.5'

65'

173'

130'

346'

260'

2.80

14'

10.5'

28'

21'

42'

31.5'

70'

52.5'

140'

105'

280'

210'

2.97

12.3'

9.6'

24.6'

19.2'

36.9'

28.8'

61.5'

48'

123'

96'

246'

192'

3.60

7.5'

5.7'

15'

11.4'

22.5'

17.1'

37.5'

28.5'

75'

57'

150'

114'

3.70

7.3'

5.5'

14.6'

11'

21.9'

16.5'

36.5'

27.5'

73'

55'

146'

110'

4.0

6.6'

13.2'

10'

19.8'

15'

33'

25'

66'

50'

132'

100'

4.30

6.1'

4.6'

12.2'

9.2'

18.3'

13.8'

30.5'

23'

61'

46'

122'

92'

5.0

4.7'

3.5'

9.4'

14.1'

10.5'

23.5'

17.5'

47'

35'

94'

70'

6.0

3.8'

2.9'

7.6'

5.8'

11.4'

8.7'

19'

14.5'

38'

29'

76'

58'

8.0

2.9'

2.2'

5.8'

4.4'

8.7'

6.6'

14.5'

11'

29'

22'

58'

44'

12.0

1.9'

1.5'

3.8'

2.8'

5.7'

4.5'

9.5'

7.5'

19'

15'

38'

28'

16.0

1.4'

1.1'

2.8'

2.2'

4.2'

3.3'

5.5'

14'

11'

28'

22'

25.0

0.7'

1.4'

2.1'

3.5'

10'

20'

14'

50.0

0.4'

0.3'

0.8'

0.6'

1.2'

0.9'

1.5'

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