Bosch LTC 3764-20, LTC 3664-40, LTC-3364-60, LTC-3364-50, LTC-3364-41 Specsheet
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CCTV | Varifocal Lenses
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Varifocal Lenses
High-quality optics
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1/3-inch and 1/2-inch formats
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Reliable, robust construction
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Focal length options
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Compact design
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Manual and DC-iris versions
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Manual focus and zoom control
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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
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 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)
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)
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
1/3-inch, 2.8 – 10 mm, manual-iris, CS-mount
F1.4-close
LTC 3364/50 Varifocal Lens
1/3-inch, 2.8 – 10 mm, DC-iris, CS-mount,
F1.4-360, 4 pin
LTC 3361/60 Varifocal Lens
1/3-inch, 3.5 – 8 mm, manual-iris, CS-mount
F1.4-close
LTC 3364/60 Varifocal Lens
1/3-inch, 3.5 – 8 mm, DC-iris, CS-mount
F1.4-360, 4-pin
LTC 3361/32 Varifocal Lens
1/3-inch, 3.0 – 8 mm, manual-iris, CSmount F1.0-close
LTC3361/50
LTC3364/50
LTC3361/60
LTC3364/60
LTC3361/32
Ordering Information
LTC 3364/32 Varifocal Lens
1/3-inch, 3.0 to 8 mm, DC-iris, CS-mount
F1.0-360, 4-pin
LTC 3361/41 Varifocal Lens
1/3-inch, 2.8 to 12 mm, manual-iris, CSmount F1.4-close
LTC 3364/41 Varifocal Lens
1/3-inch, 2.8 to 12 mm, DC-iris, CS-mount
F1.4-360, 4-pin
LTC 3371/50 Varifocal Lens
1/3-inch, 5 – 50 mm, manual iris, CS-mount
F1.7-close
LTC 3374/50 Varifocal Lens
1/3-inch, 5 – 50 mm, DC-iris, CS-mount
F1.7-360, 4-pin
LTC 3371/21 Varifocal Lens
1/3-inch, 5 to 50 mm, manual iris, CS-mount
F1.4-close
LTC 3374/21 Varifocal Lens
1/3-inch, 5 to 50 mm, DC-iris, CS-mount
F1.4-360, 4-pin
LTC 3364/21 Varifocal Lens IR corrected
1/3-inch, 2.8 – 6 mm, DC-iris, CS-mount
F1.4-200, 4-pin
LTC 3664/30 Varifocal Lens IR corrected
1/3-inch, 3.0 – 8 mm, DC-iris, CS-mount
F1.0-360, 4-pin
LTC 3664/40 Varifocal Lens IR corrected
1/3-inch, 2.8 – 11 mm, DC-iris, CS-mount
F1.4-360, 4-pin
LTC 3674/20 Varifocal Lens IR corrected
1/3-inch, 7.5 – 50 mm, DC-iris, CS-mount
F1.3-360, 4-pin
LTC 3764/20 Varifocal Lens IR corrected
1/2-inch, 4 – 12 mm, DC-iris, C-mount
F1.2-360, 4-pin
LTC 3774/30 Varifocal Lens IR corrected
1/2-inch, 10 – 40 mm, DC-iris, C-mount
F1.4-360, 4-pin
LTC 3274/41 Varifocal Lens
1/2-inch, 7.5 – 75 mm, DC-iris, C-mount,
F1.7-360, 4-pin
Accessories
S1374 Adapter
converts C mount lens to CS mount camera
Varifocal Lenses | 3
LTC 3364/32
LTC 3361/41
LTC 3364/41
LTC3371/50
LTC3374/50
LTC 3371/21
LTC 3374/21
LTC3364/21
LTC3664/30
LTC3664/40
LTC 3674/20
LTC 3764/20
LTC 3774/30
LTC3274/41
S1374
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