SKU: 14173603875

Theia Technologies CS-Mount 1.8 to 3mm Varifocal DC Auto Iris Lens

Sale price$20803.50 Regular price$23115.00
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Description

Theia Technologies CS-Mount 1.8 to 3mm Varifocal DC Auto Iris LensCan Be Used with Up To 5MP Cameras Wide to Ultra Wide Field of View EasyZoom Optimizes Field of View IR Corrected for Day Night Cameras Distortion Free F 1. 8 to Closed Aperture The Theia Technologies CS Mount 1. 8 to 3mm Varifocal DC Auto Iris Lens provides ultra wide field of view without distortion. This varifocal lens allows you to optimize the field of view from wide angle to ultra wide. The lens incorporates patented Linear Optical Technology,

  • Can Be Used with Up To 5MP Cameras
  • Wide to Ultra-Wide Field of View
  • EasyZoom Optimizes Field of View
  • IR-Corrected for Day/Night Cameras
  • Distortion Free
  • F/1.8 to Closed Aperture

The Theia Technologies CS-Mount 1.8 to 3mm Varifocal DC Auto Iris Lens provides ultra wide field of view without distortion. This varifocal lens allows you to optimize the field of view from wide angle to ultra wide. The lens incorporates patented Linear Optical Technology, which allows an ultra wide field of view without barrel distortion. This rectilinear design allows increased resolution at the edges of the image thus increasing the probability of detection.

The lens is designed to allow the installer to take full advantage of the high resolution of high-definition and multi megapixel cameras. The lens can be used on cameras at up to 5MP resolution, giving a crisp image from edge to edge.

In addition, the lens includes EasyZoom, which allows you to focus the lens once and then adjust zoom or magnification to give the optimized field of view. Only minor focus optimization is required after zooming.

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.

Linear Optical Technology provides ultra wide field of view adjustable from 115 to 77° for greater coverage with fewer cameras
EasyZoom allows the user to optimize the field of view with minimal need for refocusing
IR corrected for true Day/Night cameras
Supports multi MP resolution cameras for demanding applications
Lens Type DC auto iris
Focal Length 1.8 to 3mm
Linear Optical Technology Yes
Distortion <1%
Resolution Up to 5 MP resolution
F Number F/1.8 to close
IR Corrected Day/Night
Mount CS
Field of View At 1/3" Sensor Size: 105 to 77° (H), 90 to 62° (V), 117 to 90° (D)
At 1/2.7" HD Sensor Size: 111 to 84° (H), 95 to 68° (V), 123 to 96° (D)
At 1/2.5 Sensor Size: 115 to 88° (H), 99 to 71° (V), 126 to 100° (D)
Cable Length Iris: 11.81" (300 mm)
Packaging Info
Package Weight 0.2 lb
Box Dimensions (LxWxH) 3.9 x 2.3 x 2.1"
In the Box
Theia Technologies CS-Mount 1.8 to 3mm Varifocal DC Auto Iris Lens
  • Limited 2-Year Warranty
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 14173603875

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4.2 ★★★★★
Based on 12 reviews
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Verified Purchase
Doc
West Palm Beach, US
★★★★★ 5
Great price great shoe
Size: 12, Color: Burgundy Polished Full Grain
Excellent shoe. Tried the Sebago penny loafer and the sizing was ridiculous. These J and M are sized perfectly. I’ve had them before and they wear like iron. Very comfortable right out of the box.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
R
Verified Purchase
roger mendes
West Palm Beach, US
★★★★★ 5
One of the best shoes
Size: 9.5, Color: Black Polished Full Grain
Outstanding. Fashionable, most comfortable and good construction. No sines of use after quite some time. Highly recommended.
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Reviewed in the United States on March 21, 2026
X
Verified Purchase
xyz
Lowell, US
★★★★★ 4
Quality shoe but with a slight squeak.
Size: 10 Wide, Color: Burgundy Polished Full Grain
Nice shoes with the classic Penny Loafer design. Fit was better than another brand I tried. Only reason not 5 starts is disappointment due to a slight squeak at times when walking.
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Reviewed in the United States on August 11, 2025
S
Verified Purchase
Steven D
Dallas, US
★★★★★ 5
Exact item ordered, quick delivery
Size: 9.5, Color: Black Polished Full Grain
I ordered these black Cole Haan penny loafers for casual wear with jeans, khakies, and even business casual with slacks and a jacket. They've always worked perfectly for these uses. The Cole Haan version is the most versatile and still meets my sophisticated look criteria. I wear a 9 1/2 M with almost all other shoes. I have found Cole Haan to run slightly wider and slightly shorter. This fit will work with thin and no socks and a little loose in width. . I'd likely order a 10 N next time. I tend to forget this but it runs consistent with me for Cole Haan. 5 stars for the shoe and service. My bad on the slightly off fit.
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Reviewed in the United States on January 8, 2025
H
Verified Purchase
Hugh62
Phoenix, US
★★★★★ 1
Poor quality control - maybe outlet store leftovers
Size: 11.5, Color: Burgundy Polished Full Grain
The two shoes were not the same size. They were both labeled 11 1/2 but one shoe was larger than the other and the fit was poor. I returned the first pair and ordered a replacement. This time the shoes were close to the same size but too loose and the left one has sewing issues. I've bought Johnston & Murphy for years because of the quality. These were to replace an existing pair of burgundy penny loafers that have finally worn out (even after several heal/sole replacements). That is the expected quality. I suspect Nashville Shoe Warehouse may be handling shoes that didn't measure up for the quality; more like an outlet mall than getting the J&M quality I've come to expect. Update: went to Johnston & Murphy site to buy "direct" from the manufacturer. There were several recent reviews where the shoes were long and didn't fit properly. Genesco - please step up the manufacture / crafting of these classic shoes to the level of quality they used to have.
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Reviewed in the United States on July 21, 2025

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