20mm M12 lenses for finite conjugate
20mm M12 lenses for finite conjugate
20mm M12 Lenses short working distance
22mm S Mount Lenses

20mm M12 Lens For Up To 1/1.7" Sensors such as IMX226 and AR0821

Telephoto 21.8mm M12 Lens CIL121

The CIL121 is a 21.8mm M12 lens for up to 12MP+ 1/1.8" sensors. This lens is originally optimized for finite conjugate imaging, making it good for machine vision applications.

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$59.00
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There are 52 units CIL121-F2.8-M12A650 (F/2.8 / M12A / With 650nm IRC Filter) in stock in the US.

There are 35 units CIL121-F2.8-M12ANIR (F/2.8 / M12A / Without Filter) in stock in the US.

There are 74 units CIL121-F5.9-M12ANIR (F/5.9 / M12A / Without Filter) in stock in the US.

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Lens Features

Telephoto Field of View

A long 21.8mm EFL is suitable for machine vision and telephoto applications.

Finite Conjugate Optimized

Optimized for 500mm working distance ensures good performance from infinity down to 50mm.

Large Format

Suitable for large format sensors up to 1/1.7" such as IMX226 and AR0821

Optical and Mechanical Specification Table

Lens ParameterPerformance Detail
Part NumberCIL121
Format Type 1/1.7"
EFL21.8mm
F# 2.8 Fixed
Resolution 12MP
Field of View18° @ 7.0mm
Calculate for your sensor using our M12 Lens Calculator
Image Circle9.4mm
Distortion~1%
Weight6.8g
IR Cut-Off FilterP/N With: CIL121-F2.8-M12A650
P/N Without: CIL121-F2.8-M12ANIR
ConstructionAll-Glass

Mechanical Variants

Variant Description
"M12A" No Ingress Protection, BBAR on Lens 1 Surface 1, AL6061 Cap+Barrel

Mechanical Layout

22mm M12 LEns

Camera Mechanical Compatibility Table*

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

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Engineering & Quality Assured

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US Engineering Support

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Volume Production Ready

Our 12mm, 16mm, 25mm, 35mm, 50mm M12 Lenses. Search all 50+ M12 Lenses including Wide-Angle.

IR Corrected 12mm M12 Lens

CIL122-F2.0-M12A650

IR Corrected 12mm M12 Lens
$59.00
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Telephoto 14.2mm M12 Lens

CIL142-F2.6-M12A650

Telephoto 14.2mm M12 Lens
$59.00
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Telephoto 16mm M12 Lens

CIL160-F1.9-M12A650

Telephoto 16mm M12 Lens
$39.00
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Telephoto 21.8mm M12 Lens CIL121

CIL121-F2.8-M12A650

Telephoto 21.8mm M12 Lens CIL121
$59.00
$0.00
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IR Corrected 25mm M12 Lens

CIL250-F2.0-M12A650

IR Corrected 25mm M12 Lens
$79.00
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Telephoto 35mm M12 Lens

CIL350-F2.4-M12ANIR

Telephoto 35mm M12 Lens
$59.00
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Telephoto 50mm M12 Lens

CIL051-F2.8-M12ANIR

Telephoto 50mm M12 Lens
$70.00
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Looking for recommendations, trying to figure out where to start, or want to discuss customizations? Contact our US-based Optical Engineers.