2.0mm F2.1 M12 Fisheye Lens 180 Degree Ultra Wide 6G+IR Ultra Low CRA 10.3

OKS3052-A4-650 is an ultra-wide M12 fisheye lens specially customized for outdoor smart WiFi video doorbells, digital peephole viewers and smart lock built-in surveillance cameras.
Adopting premium 6G+IR all-glass optical design with multi-layer anti-reflection coating, it achieves ultra-low CRA below 10.3° and 60% uniform relative illumination, effectively suppress strong light interference from porch lights and sunlight, delivering balanced bright images day and night. Fixed 2.0mm focal length provides 180° diagonal super wide field of view, fully capture visitors, delivery parcels and surrounding entrance area without monitoring dead spots.
Wide operating temperature from -40℃ to +85℃ ensures consistent optical performance in freezing winter and hot summer outdoor environments. Compact 20.03mm TTL and 5g lightweight design adapts to ultra-slim doorbell casing, ideal for mass OEM production of smart home intercom camera modules.

1. M12×0.5-6G standard thread, perfectly matched with 1/2.9" CMOS sensor for slim video doorbell
2. 180° diagonal ultra-wide FOV (H:150°, V:80°), fully cover front doorway without blind zones
3. 6 full glass + IR filter optical structure, multi-layer AR coating for high light transmittance
4. Ultra-low CRA <10.3°, 60% relative illumination, eliminate dark corners & porch lamp glare
5. F2.1 large aperture, outstanding low-light performance for dim hallway & night front door scenes
6. Lightweight only 5g, compact TTL 20.03mm, fit slim battery-powered doorbell housing
7. -40℃~+85℃ wide working temperature, stable long-term outdoor all-season monitoring

1. WiFi Battery Video Doorbell: Two-way audio wireless door intercom camera
2. Digital Peephole Viewer: Apartment & hotel mini electronic door eye monitor
3. Smart Lock Embedded Camera: Face recognition lock built-in monitoring lens
4. Villa Porch Security Cam: Mini outdoor anti-theft entrance surveillance module
5. Compact IoT Embedded Vision: Narrow casing hidden 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.

 1/2.9" GC2053 (1920*1080)   HFOV : 148 °, VFOV: 78 °,DFOV: 178°    
1/3"   H65(1280* 720 )             HFOV : 130°, VFOV: 70 °,DFOV: 160 °    
1/4"   JX-H62 (1280 *720)         HFOV : 105°,  VFOV: 60 °,DFOV: 135 °