2mm Miniature Fisheye M12 Lens | For up to 12MP sensors with 1.55um pixels

191°@6.4mm Fisheye Lens

The CIL281 is a 1.95mm EFL M12 Fisheye lens which provides 200°@6.4mm image circle. The fast F/1.8 and ingress protection make this lens great for surveillance and robotics applications.

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$70.00

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There are 41 units CIL281-F1.8-M12A650 (F/1.8 / M12A / With 650nm IRC Filter) in stock in the US.

There are 22 units CIL281-F1.8-M12ANIR (F/1.8 / M12A / Without Filter) in stock in the US.

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.STP / Drawing Engineering Support

Lens Features

191° FoV

Maximize your camera's viewing angle with a 191° field of view.

Low F#

An F/1.8 lens for great performance in low light

IP67

IP67+ rated for dust and water resistance

Optical and Mechanical Specification Table

Lens Parameter	Specification
Part Number	CIL281
Format Type	1/2.3" to 2/3"
EFL	1.95mm
F#	1.8 Fixed
Resolution	10-12MP, 1.55μm
Field of View	191° @ 6.4mm image circle Calculate for your sensor using our M12 Lens Calculator
Image Circle	6.4mm
Distortion	-1% F-Θ
Weight	13g
IR Cut-Off Filter	P/N With: CIL281-F1.8-M12A660 P/N Without: CIL281-F1.8-M12ANIR
Construction	Glass, AL6061

Mechanical Variants

Mechanical Variant	Detail
"M12A"	IP67, BBAR on Lens 1 Surface 1, Metal Cap+Barrel

Mechanical Layout

Camera Mechanical Compatibility Table*

Camera/Mount	Compatibility
Commonlands Compatible Mount	CLA018
e-con Systems Standard S-Mount	9mm-13mm tall mount
Allied Vision Alvium S-Mount	Yes
FLIR Dragonfly S USB3	Yes
iDS uEye LE	Rev1.1: Yes, Rev1.2: Must order PN ending "C-NO"
The Imaging Source M12	Yes
D3 Camera Modules	Contact D3 Engineering

*Mechanical compatibility only, assuming the standard M12x0.5 lens mount provided by the camera manufacturer. Please check optical compatibility separately.

Click here to download .STP files and Mechanical Drawings