Theia Technologies 12-50mm CS-Mount 4K Telephoto P-Iris Varifocal Lens with Motorized Zoom, Focus, Iris, IR Cut Filter, and Limit Switch

Theia Technologies 12-50mm CS-Mount 4K Telephoto P-Iris Varifocal Lens with Motorized Zoom, Focus, Iris, IR Cut Filter, and Limit Switch

Theia Technologies 12-50mm CS-Mount 4K Telephoto P-Iris Varifocal Lens with Motorized Zoom, Focus, Iris, IR Cut Filter, and Limit Switch

B&H # THTL1250PR6 MFR # TL1250PR6
Theia Technologies 12-50mm CS-Mount 4K Telephoto P-Iris Varifocal Lens with Motorized Zoom, Focus, Iris, IR Cut Filter, and Limit Switch

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Configuration: Zoom, Focus, Iris, IRC, and Limit Switch

Zoom, Focus, Iris, IRC, and Limit Switch Zoom, Focus, Iris, and IRC

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Zoom, Focus, Iris, and Limit Switch

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Zoom, Focus, and Iris

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  • 1Description

The 12-50mm CS-Mount 4K Telephoto P-Iris Varifocal Lens from Theia Technologies is designed for image sensors from 1/1.7" up to 1/2.5". The compact design allows you to use this lens for cameras as small as 4" mini-dome size. This lens features motorized zoom, focus, and iris control. It also features an IR cut filter. The lens comes equipped with a limit switch that allows you to perform various functions such as zooming and focus limiting.

For use on 4K box cameras, 4" mini-dome cameras
In the Box
Theia Technologies 12-50mm CS-Mount 4K Telephoto P-Iris Varifocal Lens with Motorized Zoom, Focus, Iris, IR Cut Filter, and Limit Switch
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    Lens
    Focal Length 12-50mm
    Image Circle Up to 9.4 mm
    Resolution 12.4 MP
    F-Number (f) f/1.8 @ 12mm
    f/2.4 @ 50mm to close
    IR Corrected Yes
    Focus Range 6.7' (2 m) to infinite
    Lens Length Up to 2.5" (64 mm) TTL
    Back Focal Length BFL 0.3" (8.2 mm) in air
    Angle CRA: <7°
    Field of View @ 1/1.7"
    Horizontal: 36 to 8.6°
    Vertical: 26 to 6.5°
    Diagonal: 46 to 11°

    @ 1/1.8"
    Horizontal: 36 to 8.6°
    Vertical: 23 to 5.8°
    Diagonal: 44 to 10°

    @ 1/1.8" 4K
    Horizontal: 35 to 8.5°
    Vertical: 17 to 4.3°
    Diagonal: 40 to 9.5°

    @ 1/1.2"
    Horizontal: 30 to 7.4°
    Vertical: 23 to 5.6°
    Diagonal: 39 to 9.2°

    @ 1/2.3"
    Horizontal: 30 to 7.2°
    Vertical: 22 to 5.5°
    Diagonal: 38 to 9°

    @ 1/2.5"
    Horizontal: 27 to 6.7°
    Vertical: 20 to 5°
    Diagonal: 34 to 8.3°
    Distortion <10% at 12mm
    <2% at 50mm
    Relative Illumination Up to 40%
    Transmission Lens Transmission: Up to 80%
    Operating Conditions Temperature: -4 to 140°F (-20 to 60°C)
    Humidity: 70%, non-condensing
    Storage Conditions Temperature: -22 to 158°F (-30 to 70°C)
    Humidity: 90%, non-condensing
    Dimensions 2.4 x 2.0" (61.0 x 51.8 mm) maximum
    Weight Not specified by the manufacturer
    Focus and Iris Control
    Drive Stepper motor
    2 phase bipolar drive
    Operation Voltage Zoom/Focus Motor: 3.3 V; 2.6 to 4.8 V
    P-Iris Motor: 4 V ±1
    Operation Time @ 3.3 V:
    60 sec @ 68°F (20°C)
    35 sec @ 104°F (40°C)
    20 sec @ 140°F (60°C)

    @ 4 V:
    12 sec @ 68°F (20°C)
    9 sec @ 104°F (40°C)
    6 sec @ 140°F (60°C)

    @ 4.8 V:
    6 sec @ 68°F (20°C)
    5 sec @ 104°F (40°C)
    4 sec @ 140°F (60°C)
    Coil Resistance Zoom/Focus Motor: 28.5 Ohms ±7%
    P-Iris Motor: 30 Ohms
    Gear Ratio 1:1954
    Speed Zoom Speed:
    4 sec @ 1000 pps

    Focus Speed:
    8.9 sec @ 600 pps
    Rotation Zoom Cam: 75°
    Focus Cam: 102°
    Connectors Zoom/Focus Motor:
    Housing: Molex 51021-0800
    Terminal: Molex 50058-8000

    P-Iris Motor:
    Connector 1:
    Housing: Molex 51021-0400
    Terminal: Molex 50058-8000
    Connector 2 (CCTV):
    Housing: EYC 221
    Cable Zoom/Focus Motor: 5.9" (15 cm)
    P-Iris Motor: 11.8" (30 cm)
    Filters
    Type IR cut filter
    Wavelength Cut-On: 405 nm ±10 nm
    Cut-Off: 650 nm ±10 nm

    IR Transmission:
    <5% 700 to 1000 nm maximum
    <10% 1000 to 1100 nm average
    Transmission Visible:
    IR Filter: 430 to 610 nm
    Clear Filter: 400 to 1050 nm
    Drive DC
    Operating Voltage 4 V
    Coil Resistance 130 Ohms
    Connector Type Housing: Molex 51021-0200
    Terminal: Molex 50058-8000
    Cable Length 5.9" (15 cm)
    Switch
    Model Number Sharp GP1S396HCPSF
    Type Photo interrupter phototransistor
    Operating Voltage 3.3 V
    Output Level High: Up to 2.2 V
    Low: 0.6 V minimum
    Connector Type FPC cable
    Cable Length 5.9" (15 cm)

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