18mm M12 Lenses
18mm M12 Lens
Telephoto S Mount M12 Lens 18mm
18mm M12 Lenses
18mm M12 Lens
Telephoto S Mount M12 Lens 18mm

18mm M12 Lens for sensors up to 1/2.5" such as AR0230 and AR0234

Telephoto 18mm M12 Lens

The CIL178 is an 18.4mm M12 Lens for up to 2MP 1/2.5" sensors. The short TTL and low F/2.0 make this lens fit into a unique optical design space.
$39.00
Selected Part Number is: CIL178-F2.0-M12A650
Request Volume Pricing

There are 64 units CIL178-F2.0-M12A650 (F/2.0 / M12A / With 650nm IRC Filter) in stock in the US.

There are 40 units CIL178-F2.0-M12ANIR (F/2.0 / M12A / Without Filter) in stock in the US.

Lens Features

Short TTL

TTL of 20mm is great for a compact telephoto camera design.

Optical and Mechanical Specification Table
Lens Parameter Performance Detail
Part NumberCIL178
Format Type1/2.5"
EFL18mm
F#2.0 Fixed
Resolution2MP
Field of View 18° @ 6.0mm
Calculate for your sensor using our M12 Lens Calculator
Image Circle7.2mm
Distortion <0.5% TV
Weight5g
IR Cut-Off FilterP/N With: CIL178-F2.0-M12A650
P/N Without: CIL178-F2.0-M12ANIR
ConstructionGlass+Plastic, all-metal
Mechanical Variants
Variant Description
"M12A" No Ingress Protection, BBAR on Lens 1 Surface 1, AL6061 Cap+Barrel

Mechanical Layout

An 18mm M12 Lens for Telephoto applications
Camera Mechanical Compatibility Table*
Camera/Mount Compatibility
Commonlands Compatible Mount CLA018
e-con Systems / Standard S-Mount 10mm-15mm tall mount
Allied Vision Alvium S-Mount Yes
FLIR Blackfly S Board Yes
iDS uEye LE Rev1.1: No, Rev1.2: Must end in "C-NO"
The Imaging Source M12 Yes
Basler Dart S-Mount Yes

*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

Optical Engineering for M12 Lenses.webp__PID:cabadc1d-9038-478a-9ec1-b9515597d704

US Engineering Support

M12 Lens in the US.webp__PID:de4930ea-2073-44ee-ad75-d40d9d92487e

Easy Global Shipment

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Volume Production Ready

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

Telephoto 12mm M12 Lens

CIL125-F2.4-M12IR

Telephoto 12mm M12 Lens

Telephoto 26mm M12 Lens

CIL260-F2.0-M12IR

Telephoto 26mm M12 Lens

Telephoto 35mm M12 Lens

CIL350-F2.4-M12A650

Telephoto 35mm M12 Lens

Telephoto 50mm M12 Lens

CIL051-F2.8-M12A650

Telephoto 50mm M12 Lens

Telephoto 21.8mm M12 Lens

CIL121-F2.8-M12ANIR

Telephoto 21.8mm M12 Lens
Telephoto 12mm M12 Lens
Telephoto 12mm M12 Lens
Telephoto M12 Lens 12mm
Arducam usb cameras Telephoto 12mm M12 Lens
Telephoto 12mm S-Mount Lens
CIL125-F2.4-M12IR
Telephoto 12mm M12 Lens
$29.00
25mm M12 Lens
25mm M12 Lens
25mm S Mount Lens
25mm lens for FLIR Cameras
CIL260-F2.0-M12IR
Telephoto 26mm M12 Lens
$59.00
35mm M12 Lens
35mm M12 Lens
35mm Board Mount Lens
35mm S Mount Lens
CIL350-F2.4-M12A650
Telephoto 35mm M12 Lens
$59.00
Telephoto 50mm M12 Lens
Telephoto 50mm M12 Lens
50mm Board Lens
50mm S Mount Lens
CIL051-F2.8-M12A650
Telephoto 50mm M12 Lens
$70.00
20mm M12 lenses for finite conjugate
20mm M12 lenses for finite conjugate
20mm M12 Lenses short working distance
22mm S Mount Lenses
CIL121-F2.8-M12ANIR
Telephoto 21.8mm M12 Lens
$59.00
18mm M12 Lenses
18mm M12 Lenses
18mm M12 Lens
Telephoto S Mount M12 Lens 18mm
CIL178-F2.0-M12A650
Telephoto 18mm M12 Lens
$39.00