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Theia 1.7mm Manual Iris Day/Night IR Corrected C-Mount Ultra-Wide 5 Megapixel Lens, 2yr warranty


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Theia 1.7mm Manual Iris Day/Night IR Corrected C-Mount Ultra-Wide 5 Megapixel Lens, 2yr warranty SKU: MY110M
  • Buy 4 for $264.50 each and save 5%

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Theia's 110 series lenses provide ultra wide field of view without distortion. The lenses incorporate Theia's patented Linear Optical Technology® which allows an ultra wide field of view without barrel distortion found in other wide angle lenses not including Theia's technology. This rectilinear design allows increased resolution at the edges of the image thus increasing the probability of detection in security systems. The rectilinear design also eliminates the dewarping software requirement for many machine vision applications, improving MV system performance.

Similar to Theia's other lenses, the 110 series is a high quality lens designed to allow the installer to take full advantage of the high resolution of HD and multi megapixel cameras. The lens can be used on cameras up to five megapixel resolution giving a crisp image from edge to edge.

The lens is IR corrected for use with true Day/Night cameras. This IR correction focuses IR light from artificial illumination at the same plane as the visible light allowing the image to remain in focus when the Day/Night camera switches to night mode. Unlike lenses without IR correction, the night image will not be out of focus when using IR illumination. 






Lens model


Iris type

Manual iris

Focal Length
(field of view)

using Linear Optical Technology®

IR correction

IR corrected visible and IR focal planes are coplanar

Mount type



F/1.8 to closed


Up to 3 megapixels (can be used on 5MPix cameras)


<1% barrel at image edges (for 1/3" sensor)

Minimum focus


Pan focus distance

2.0m to ∞

Lens size

Ø36mm x 56mm

Lens weight

110g (approx)

Technical specifications

Download pdf


MY110M drawing

CAD iges file

iges (3.1MB)

Owner's manual

Download pdf


Lens Field of view

Sensor Size 1/4" 1/3" 1/2.5"
Sensor Diagonal Ø4.5mm Ø6.0mm Ø7.2mm
Sensor Format 4x3 4x3 4x3
Field of view (H) 94 ° 110 ° 120 °
Field of view (V) 78 ° 94 ° 104°
Field of view (D) 107 ° 122 ° 130 °


Additional Information

Additional Information

Model MY110M
Resolution Capability Megapixel, HD
Focal Length No
Iris Manual Iris
Aperture 1.8
Mount CS / C-Mount
Format Cover No
Brand Theia Technolgoies
Shipment N/A
Manufacturer's Suggested Retail Price No