Commonlands LLC Product
1/2.7 inch 2.1mm Stereographic M12 Lens
Model: CIL821-F2.4-M12B650, CIL821-F2.4-M12ANIR, CIL821-F2.4-M12BNIR
The CIL821 is a 6MP+ 2.1mm miniature S-Mount lens which provides a 125° Horizontal Field of View on 1/2.8" sensors. It's compact form factor and high resolution make it ideal for OEM applications such as doorbell cameras.
Small 2.1mm M12 Lens
The CIL821 is a 6MP+ 2.1mm miniature S-Mount lens which provides a 125° Horizontal Field of View on 1/2.8" sensors. It's compact form factor and high resolution make it ideal for OEM applications such as doorbell cameras.
Wide-Angle FoV: >145° FoV w/ stereographic distortion comparable to sports action camera lenses.
4K Resolution: Optical resolution suitable for 12MP+ sensors up to 1/2.7" in format.
Compact Size: A short TTL of 15mm is ideal for weight and size-constrained applications.
Lens Parameter Performance Detail
Part Number CIL821
Format Type 1/2.7"
EFL 2.1mm
F# 2.4 Fixed
Resolution 10MP+
Field of View 126° @ 5.4mm
Calculate using our FoV Calculator
Image Circle 6.7mm
Distortion <20% TV
Weight 4.0g
Construction Hybrid Glass/Plastic with Aluminum Barrel
Other Products from Commonlands LLC
1/2 inch 4mm M12 Lens 16MP+
The CIL039 is a 3.9mm M12 Lens for up to 8MP 1/2" sensors. The 0% distortion make the lens ideal for wide-angle applications without dewarping. Wide-Angle FoV: A wide, yet normal, 77° HFoV on 1/2.3" sensors.
1/2 inch 3mm M12 Lens 4K+ Wide-Angle No-Distortion
The CIL028 is a wide-angle no-distortion 2.6mm M12 lens suitable for up to 5-6MP 1/2" sensors. The lens provides 100° HFoV on 1/2.3" sensors and is great for video-conferencing systems.


