Lens, Theia Technologies ML183 1.8-3mm C-mt 4K rectilinear

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The Theia Technologies 1.8-3mm C-mount Day/Night lens range achieves a 4K resolution 120-92° horizontal angle of view on a 1/2.3” sensor using patented Linear Optical Technology®. They are available in Manual (ML183M) and DC-iris (ML183A) options and have an iris range from F1.8-Closed.  These Theia lenses achieve an ultra-wide field of view with ULTRA LOW DISTORTION (<1% barrel), are suitable for camera sensors up to 1/2.3″ and designed for Machine Vision and FA applications where a wide angle low distortion image is required.

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Product Description

The Theia Technologies 1.8-3mm C-mount Day/Night lens range achieves a 4K resolution (4000 x 2000 pixels) 120-92° horizontal angle of view on a 1/2.3” sensor using patented Linear Optical Technology®.  These C-mount lenses are available with Manual Iris (ML183M) or DC-iris (ML183A) and have an iris range from F1.8-Closed.  They achieve an ultra-wide field of view with ULTRA LOW DISTORTION (<1% barrel) and are suitable for camera sensors up to 1/2.3″.

The superior quality of this lens combines stunning performance with the highest build quality and will support sensor technology up to 4K resolution. Being C-mount, the lens is designed for use in Machine Vision and FA applications where a wide angle low distortion image is requires.  It is also ideal for a wide range of security, broadcast and industrial applications.  We also recommend these for use with Back-Bone modified GoPro and SeeSense GEM cameras.

These lenses are also available in CS-mount Manual iris SL183M and CS-mount DC iris SL183A.

Focal Length 1.8-3mm
Image Format 1/3″ up to 1/2.3″
Adjustment Manual Iris, Zoom & Focus adjustable with locking screws
Aperture Range F1.8 – Closed
Angle of View (H) 120-92 degrees (1/2.3″ Sensor) to 105-77 degrees (1/3″ sensor)
Image Circle 6.0mm diameter
Pan Focus Distance 2m – infinity
Modular Transfer Function 140 lp/mm @>20% edge
Minimum Object Distance 0.5m
Resolution Up to 4K
Distortion <1% barrel at image edge
Back Focus None
Flange Focal Length 12.5mm (in air)
Mount C-mount (metal) with slip ring
Weight (g) Manual iris 59 grammes, DC-iris 70 grammes
Dimensions 50mm (diameter) x 45mm (length)
Operating Temperature -20 to +50 degrees C
  • 1.8-3mm lens
  • 4K Resolution (4000 x 2000 pixels) on 1/2.3″ sensor
  • Ultra Low Distortion
  • IR Corrected (Day/Night) Lens
  • Integrates with up to 1/2.3” C-mount camera sensors
  • Manual OR DC-iris Iris, Zoom and Focus
  • C-mount with slip ring
  • Robust, precise mechanics
  • Weight 59 grammes (manual iris lens)
  • Uses Linear Optical Technology®
    N.B. The lens image will be inverted so the camera should be mounted upside down or the image inverted electronically

Surveillance security /  defence
Film & broadcast
Medical
Industrial vision applications.

Theia lens
Front lens cap
Rear lens cap
Silica gel
Bubble wrap bag

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