1/1.7" 4K Lens, 12MP

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Theia's new SL410 family of 1/1.7" 4k lenses are true 12 megapixel resolution lenses.

Similar to Theia's other lenses, the SL410 is a high quality lens designed to allow camera manufacturers and installers to take advantage of the new 4K cameras on the market. The lens can be used on cameras up to 12 megapixel resolution giving a crisp image from edge to edge. The lens can be used with 1/2.3" 4K sensors such as Sony IMX172 up to 1/1.7" 4K sensors such as Sony IMX226.

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

SL410 lenses

TL410 lenses

Iris type

DC autoiris, P-iris, or Manual iris

DC autoiris or P-iris


Manual zoom and focus

Motorized zoom and focus, iris, IRC, and limit switch

Focal Length

4-10mm varifocal

IR correction

IR corrected for Day/Night cameras

IR corrected with internal IR cut filter

Mount type

CS-mount, C-mount, or D25 mount


F/1.4 to closed


4K, 12 megapixels

Minimum focus


Lens size

51.5mm from mount

64mm TTL

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Prices and specifications subject to change without notice.