OKS-3051‑A4‑650 is an IP67 waterproof wide‑angle M12 lens, optimized for outdoor smart WiFi video doorbells, digital peephole viewers and smart lock built‑in surveillance cameras.
Built with 4G+IR optical assembly and multi‑layer anti‑reflection coating, it reaches 60% relative illumination and CRA below 18°, effectively weakens glare from porch lights and sunlight, delivering sharp footage day and night. The 2.8mm fixed focal length offers 146° diagonal field of view, clearly captures visitors, delivery parcels and front‑door surroundings.
IP67‑rated metal housing resists dust, rain splash and moisture. Ultra‑wide operating temperature from ‑40℃ to +85℃ guarantees stable optical performance in hot summer and cold winter. Compact 13.40 mm TTL fits slim battery‑powered doorbell housings, ideal for mass OEM smart‑home intercom camera production.

1. M12×0.5 standard mount, perfectly match 1/3" SC2336 sensor for video doorbell
2. 146° diagonal wide FOV, covers full doorway area to reduce monitoring blind spots
3. 4G+IR all‑glass optical structure, 60% relative illumination for balanced image brightness
4. CRA＜18°, suppress porch lamp glare and avoid dark corners
5. F2.0 aperture, good low‑light performance for dim hallway & night front‑door scenes
6. IP67 dust‑waterproof metal barrel, adapt to outdoor rain and humid environment
7. Compact TTL 13.40mm, ‑40℃~+85℃ wide‑temperature, stable for long‑term outdoor use

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1. WiFi Battery Video Doorbell: Wireless two‑way audio door intercom camera
2. Digital Peephole Viewer: Apartment & hotel electronic door‑eye monitoring camera
3. Smart Lock Embedded Camera: Face‑recognition lock built‑in surveillance lens
4. Villa Porch Security: Outdoor front‑door anti‑theft monitoring device
5. Compact IoT Camera: Narrow‑size embedded entrance security camera

Optical parameter customization .We customize focal length, aperture, FOV, lens structure, distortion, CRA, filter, coating and image circle to match all mainstream CMOS sensors for surround view and surveillance cameras.
Mechanical structure customization.We customize barrel TTL, front diameter, waterproof grade, mount holder, back focal length, focus range and wide-temperature resistant housing.
OEM brand & appearance customization.We offer laser logo engraving, customized barrel colors and exclusive private model codes for OEM branding.
Packaging customization.We customize nner bags, export cartons and branded color boxes with multi-language instructions available.

1/2.7" AR0237 (1920*1088) HFOV : 130 °, VFOV: 68 °,DFOV: 161 °
1/2.8" IMX307(1920*1080) HFOV : 126°, VFOV: 65 °,DFOV: 152 °
1/2.9" GC2053 (1920*1080) HFOV : 121 °, VFOV: 62°,DFOV: 142 °
1/3" H65(1280* 720 ) HFOV : 107 °, VFOV: 58 °,DFOV: 128°
1/4" JX-H62 (1280 *720) HFOV : 84 °, VFOV: 46 °,DFOV: 100 °