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Description
Theia Technologies CS-Mount 4-10mm f/1.4-Close 4K IR-Corrected Motorized Auto-Iris Varifocal Lens with Zoom/Focus Limit SwitchThe Theia TechnologiesCS Mount 4 10mm f 1. 4 Close 4K IR Corrected Motorized Auto Iris Varifocal Lens is designed for use with up to 1 1. 7 sensors and offers motorized zoom and focus. It features a limit switch for zoom and focus.Thanks to the compact design, it can easily fit into 4 domes. With an aperture range of f 1. 4 close, the lens can be used for surveillance in low light as well as bright light conditions.The lens is IR corrected for use
The Theia Technologies�CS-Mount 4-10mm f/1.4-Close 4K IR-Corrected Motorized Auto-Iris Varifocal Lens is designed for use with up to 1/1.7� sensors and offers motorized zoom and focus. It features a limit switch for zoom and focus.�Thanks to the compact design, it can easily fit into 4� domes. With an aperture range of f/1.4-close, the lens can be used for surveillance in low-light as well as bright light conditions.�The lens is IR corrected for use with 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.
In the Box
Theia Technologies CS-Mount 4-10mm f/1.4-Close 4K IR-Corrected Motorized Auto-Iris Varifocal Lens with Zoom/Focus Limit Switch
- Limited 2-Year Warranty
| Focal Length | 4-10mm |
| Image Circle | Up to �9.4 mm |
| Resolution | 12.4 MP |
| Aperture | F/1.4 @ 4mm - F/2.4 @ 10mm to close |
| Focus Range | 1.64' to infinity (0.5 m to infinity) |
| Back Focal Length | 0.33" / 8.4 mm (in air) |
| Angle | CRA: < 7� |
| Distortion | < 61% at 4mm, < 8% at 10mm |
| Relative Illumination | > 45% |
| Transmission | Lens: > 80% |
| Field of View | 1/1.7": 112 to 44� (horizontal), 81 to 33� (vertical), 149 to 55� (diagonal) 1/1.8": 110 to 43� (horizontal), 71 to 29� (vertical), 139 to 52� (diagonal) 1/1.8" 4K: 110 to 43� (horizontal), 52 to 21� (vertical), 126 to 48� (diagonal) 1/2": 93 to 37� (horizontal), 68 to 28� (vertical), 120 to 46� (diagonal) 1/2.3": 90 to 36� (horizontal), 67 to 27� (vertical), 117 to 45� (diagonal) 1/2.5": 83 to 33� (horizontal), 60 to 25� (vertical), 106 to 42� (diagonal) |
| Zoom/Focus | Drive: Stepper motor 2 phase bipolar drive Operation Voltage: 3.3 V Operating Range: 2.6 to 4.8 V Maximum Continuous Operation Time (seconds) for Operation Voltage and Ambient Temperature: @ 68�F (20�C): 60 sec (3.3 V), 12 sec (4 V), 6 sec (4.8 V) @ 104�F (40�C): 35 sec ((3.3 V), 9 sec (4 V), 5 sec (4.8 V) @ 140�F (60�C): 20 sec (3.3 V), 6 sec (4 V), 4 sec (4.8 V) Coil Resistance: 28.5 Ohms (�7%) Gear Ratio: 1:2025 Zoom Speed: 4.1 sec (@1000 pps) Zoom Cam Rotation: 85� Focus Speed: 8.6 sec (@ 1000 pps) Focus Cam Rotation: 75� Focus/Zoom Connectors: Housing: Molex 51021-0800 Terminal: Molex 50058-8000 Cable Length: 5.9" (150 mm) |
| Iris Control | Drive: DC Operation Voltage: 3 V (2.5 to 5 V) Maximum Current Consumption: 22 mA Drive Coil Resistance: 190 Ohms Damper Coil Resistance: 855 Ohms Connector Type 1 (Molex) Connector Type: Housing: Molex 51021-0400, Terminal: Molex 50058-8000 Cable Length: 5.9" (150 mm) Connector Type 2 (CCTV) Connector Type: Housing: EYC 221 Cable Length: 11.8" (300 mm) |
| Limit Switches | Zoom/Focus Limit Switch Type: Photo interrupter, phototransistor Part Model: Sharp GP1S396HCPSF Operating Voltage: 3.3 V Output level: > 2.2 V HIGH, < 0.6 V LOW Connector Type: FPC cable Board-side Mating Connector Type (not supplied): Molex 52746-0671, Molex 52745-0697, Molex 52559-0652 Cable Length: 5.9" (150 mm) |
| IR Cut Filter | Electrical Specifications Drive: DC Operating Voltage: 4 V Drive Coil Resistance: 130 Ohms Connector Type Housing: Molex 51021-0200 Terminal: Molex 50058-8000 Cable Length: 5.9" (150 mm) Optical Specifications for IR filter (Day) Cut-on Wavelength: 405 nm �10 nm Visible Transmission: 430 to 610 nm Cut-off Wavelength: 650 nm �10 nm IR Transmission: < 5% maximum 700 to 1000 nm, < 10% average 1000 to 1100 nm Optical Specifications for Clear Filter (Night) Visible Transmission: 400 to 1050 nm |
| Operating Temperature & Humidity | 4 to 140�F (-20 to 60�C) Humidity: < 70%, non-condensing |
| Storage Temperature & Humidity | -22 to 158�F (-30 to 70�C) Humidity: < 90%, non-condensing |
| Dimensions (� x L) | 2.32 x 2" (59 x 51.5 mm) |
| Weight | 2.75 oz (78 g) |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.8 ★★★★★
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Product Reviews
★★★★★ 5
Look and feel awesome!
Size: 11.5, Color: Optic White/Opti
These are awesome shoes - look great really, really white and clean! Love how comfortable they are - and soooo light. I was a little worried they'd get dirty easily, but I've been able to keep them clean. Fit as expected. If you're looking for a great, comfortable, and affordable shoe, check these out!
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Reviewed in the United States on December 4, 2025
★★★★★ 5
Great shoe, comfort
Size: 11.5, Color: British Tan/Ivry
Love these shoes, they're super comfy. Laces stayed tied all day. I wear them in a business casual environment, or if I'm going out for a nice meal with my wife. They look good, the color is unassuming and neutral. they also elevate my height, I feel like it gives me an inch or so more versus regular shoes. This is my second pair!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Good shoes
Size: 7, Color: British Tan/Ivry, Size: 7, Color: British Tan/Ivry
Look very nice these shoes, speally to go out to dinner with the family, are really light weight, great quelith, and great softness
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Nice Shoes
Size: 10.5, Color: British Tan/Ivry
Nice pair of shoes for my feet. Fits comfortably and nice cushion when walking.
I would buy another pair.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Super comfortable!
Size: 9, Color: Navy Blazer/Ivor
Some of the most comfortable shoes that I've ever worn/walked in! Super light on my feet. Nice casual looking and comfortable shoe for a reasonable price. I already brought 3 pair.
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Reviewed in the United States on April 21, 2026