Wide Angle M12 Lens with IR CUT Function Low CRA Outdoor Video Doorbell Smart

OKS3620‑A4 is high‑performance M12 wide‑angle lens specially designed for outdoor video doorbell and smart home security camera.
Adopting premium 2G4P+IR‑CUT optical structure, it supports automatic day‑night filter switching. Delivers real‑color imaging in daytime and sharp infrared night‑vision picture under dark porch environment. 1.96mm focal length brings 175° ultra‑wide diagonal field of view, fully captures visitors, doorway and surrounding area.
CRA＜17.8° and 70% high relative illumination effectively improve corner brightness and restrain stray light. F2.4 aperture ensures excellent imaging under dim ambient light. IP67 waterproof dust‑proof metal barrel resists rain splash and dust for outdoor installation. Compact TTL 17.2mm±0.3 fits most doorbell camera housing. Wide operating temperature‑40℃~+85℃ guarantees stable running for outdoor smart doorbell, access control camera and home surveillance modules.

1. M12*P0.5 standard mount, perfectly match 1/3" GC2083 sensor for outdoor video doorbell camera
2. 175° diagonal FOV(H:149°,V:83°), wide field of view to cover visitor and surrounding doorway area
3. 2G4P+IR‑CUT optical structure, auto switch day‑night filter for true color day image & clear IR night vision
4. CRA＜17.8°, high 70% relative illumination, bright uniform image, reduce dark corners
5. F2.4 aperture, good low‑light performance for porch dim‑light environment
6. IP67 waterproof & dustproof metal barrel, adapt outdoor rain, dust and humidity
7. TTL 17.2mm±0.3 compact size, operating temperature‑40℃~+85℃, stable for long‑term smart home outdoor application

1. Smart video doorbell / door bell camera
2. Access control & smart lock camera module
3. Outdoor porch home security IP camera
4. Building entrance monitoring camera
5. IoT smart home visual monitoring device

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.

1/2.9" GC2053 (1920*1080)   HFOV : 160 °, VFOV: 85 °,DFOV: 190 °     
1/3"   H65(1280* 720 )           HFOV : 145 °, VFOV: 80 °,DFOV: 175 °