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CCTV | Varifocal Lenses
Varifocal Lenses
High-quality optics
1/3-inch and 1/2-inch formatsReliable, robust constructionFocal length options
Compact design
Manual and DC-iris versions
Manual focus and zoom control
For optimizing angular fields right on site, varifocal lenses are the most versatile and practical solution available. These lenses allow for setting virtually any angle of field, which maximizes surveillance effects. Installers do not need to carry several different focal length lenses – and installation is more efficient because they can find the right angles of field without moving the camera set-up. If the field-of-view requirements change after installation, modification is simple by just altering the lens’ focal length settings.
Functions
This series includes both manual and DC-iris varifocal lenses. They are compact, rugged, and available in 1/3-inch and 1/2- inch image formats. The series is organized by sensitivity, optical resolution, and range to match the wide range of Dinion camera applications.
These varifocal lenses come with a standard C or CS mount for use with a variety of cameras. The DC-iris control connection is a four-pin standard plug that fits directly into the camera’s iris output. And the lenses deliver impressive optical quality due to their high standards for resolution, contrast reproduction, and coating.
The mechanical construction is designed to withstand both frequent DC-iris control operations and the environmental stress of security installations. For flexible, high-quality, reliable lenses that match a camera’s performance, this varifocal series is the ideal solution.
Installation/Configuration Notes
2 1
43
4-pin DC-iris connector (front view)
Pin 1: |
Damping coil - |
Pin 2: |
Damping coil + |
Pin 3: |
Driving coil + (open) |
Pin 4: |
Driving coil - |
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2 | Varifocal Lenses
Lens type |
L mm (in) |
D mm (in) |
|
LTC 3361/32 |
42 (1.65) |
36 |
(1.42) |
LTC 3361/41 |
59 (2.32) |
44 |
(1.73) |
LTC 3361/50 |
55(2.17) |
34 |
(1.34) |
LTC 3361/60 |
45.3 (1.78) |
33 |
(1.3) |
LTC 3371/21 |
59.2 (2.33) |
42 |
(1.65) |
LTC 3371/50 |
61.5 (2.42) |
44 |
(1.73) |
Lens Type |
L |
D |
|
H |
|
W |
|
mm (in) |
mm (in) |
mm (in) |
mm (in) |
||
LTC 3274/41 |
77 (3.03) |
42 |
(1.65) |
56.8 |
(2.24) |
46.5 (1.83) |
LTC 3364/21 |
44 (1.73) |
35.2 (1.39) |
45.7 |
(1.8) |
40.4 (1.59) |
|
LTC 3664/30 |
44.4 (1.75) |
35.2 (1.39) |
44.7 |
(1.76) |
38.3 (1.51) |
|
LTC 3364/50 |
55 (2.17) |
34 |
(1.34) |
46 (1.81) |
40 (1.57) |
|
LTC 3364/60 |
45.3 (1.78) |
33 |
(1.3) |
46.5 |
(1.83) |
39 (1.54) |
LTC 3374/50 |
61.5 (2.42) |
44 |
(1.73) |
52.2 |
(2.06) |
44.4 (1.75) |
Lens Type |
L |
D |
|
H |
|
W |
|
mm (in) |
mm (in) |
mm (in) |
mm (in) |
||
LTC 3364/32 |
42 (1.65) |
33 |
(1.3) |
25.5 |
(1.0) |
22.7 (0.89) |
LTC 3364/41 |
59 (2.32) |
41 |
(1.61) |
26 (1.02) |
26 (1.02) |
|
LTC 3374/21 |
59.2 (2.33) |
40 |
(1.57) |
32 (1.26) |
24.6 (0.97) |
|
LTC 3664/40 |
59 (2.32) |
44 |
(1.73) |
26.2 |
(1.03) |
26.4 (1.04) |
LTC 3674/20 |
55.2 (2.17) |
38 |
(1.5) |
27.2 |
(1.07) |
31 (1.22) |
LTC 3764/20 |
53.9 (2.12) |
40 |
(1.57) |
31 (1.22) |
24.6 (0.97) |
|
LTC 3774/30 |
62 (2.44) |
38.6 (1.52) |
31.1 |
(1.22) |
31.8 (1.25) |
|
Technical Specifications
Electrical/mechanical |
|
See comparison table at the end of this datasheet. |
|
Environmental |
|
Operating Temperature |
-10°C to+50°C (+14°F to +122°F) |
Storage Temperature |
-40°C to +70°C (-40°F to + 158°F) |
Operating Humidity |
Up to 93% non-condensing |
Certification |
CE (DC-iris models) |
Ordering Information
LTC 3361/50 Varifocal Lens |
LTC3361/50 |
1/3-inch, 2.8 – 10 mm, manual-iris, CS-mount |
|
F1.4-close |
|
LTC 3364/50 Varifocal Lens |
LTC3364/50 |
1/3-inch, 2.8 – 10 mm, DC-iris, CS-mount, |
|
F1.4-360, 4 pin |
|
LTC 3361/60 Varifocal Lens |
LTC3361/60 |
1/3-inch, 3.5 – 8 mm, manual-iris, CS-mount |
|
F1.4-close |
|
LTC 3364/60 Varifocal Lens |
LTC3364/60 |
1/3-inch, 3.5 – 8 mm, DC-iris, CS-mount |
|
F1.4-360, 4-pin |
|
LTC 3361/32 Varifocal Lens |
LTC3361/32 |
1/3-inch, 3.0 – 8 mm, manual-iris, CS- |
|
mount F1.0-close |
|
Varifocal Lenses | 3
Ordering Information
LTC 3364/32 Varifocal Lens |
LTC 3364/32 |
1/3-inch, 3.0 to 8 mm, DC-iris, CS-mount |
|
F1.0-360, 4-pin |
|
LTC 3361/41 Varifocal Lens |
LTC 3361/41 |
1/3-inch, 2.8 to 12 mm, manual-iris, CS- |
|
mount F1.4-close |
|
LTC 3364/41 Varifocal Lens |
LTC 3364/41 |
1/3-inch, 2.8 to 12 mm, DC-iris, CS-mount |
|
F1.4-360, 4-pin |
|
LTC 3371/50 Varifocal Lens |
LTC3371/50 |
1/3-inch, 5 – 50 mm, manual iris, CS-mount |
|
F1.7-close |
|
LTC 3374/50 Varifocal Lens |
LTC3374/50 |
1/3-inch, 5 – 50 mm, DC-iris, CS-mount |
|
F1.7-360, 4-pin |
|
LTC 3371/21 Varifocal Lens |
LTC 3371/21 |
1/3-inch, 5 to 50 mm, manual iris, CS-mount |
|
F1.4-close |
|
LTC 3374/21 Varifocal Lens |
LTC 3374/21 |
1/3-inch, 5 to 50 mm, DC-iris, CS-mount |
|
F1.4-360, 4-pin |
|
LTC 3364/21 Varifocal Lens IR corrected |
LTC3364/21 |
1/3-inch, 2.8 – 6 mm, DC-iris, CS-mount |
|
F1.4-200, 4-pin |
|
LTC 3664/30 Varifocal Lens IR corrected |
LTC3664/30 |
1/3-inch, 3.0 – 8 mm, DC-iris, CS-mount |
|
F1.0-360, 4-pin |
|
LTC 3664/40 Varifocal Lens IR corrected |
LTC3664/40 |
1/3-inch, 2.8 – 11 mm, DC-iris, CS-mount |
|
F1.4-360, 4-pin |
|
LTC 3674/20 Varifocal Lens IR corrected |
LTC 3674/20 |
1/3-inch, 7.5 – 50 mm, DC-iris, CS-mount |
|
F1.3-360, 4-pin |
|
LTC 3764/20 Varifocal Lens IR corrected |
LTC 3764/20 |
1/2-inch, 4 – 12 mm, DC-iris, C-mount |
|
F1.2-360, 4-pin |
|
LTC 3774/30 Varifocal Lens IR corrected |
LTC 3774/30 |
1/2-inch, 10 – 40 mm, DC-iris, C-mount |
|
F1.4-360, 4-pin |
|
LTC 3274/41 Varifocal Lens |
LTC3274/41 |
1/2-inch, 7.5 – 75 mm, DC-iris, C-mount, |
|
F1.7-360, 4-pin |
|
Accessories |
|
S1374 Adapter |
S1374 |
converts C mount lens to CS mount camera |
|
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