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F2.8-F16 Cobra Series Fixed Focal Length Lenses Focal Length 12mm 100-∞ WD 0.06kg

Categories	Fixed Focal Length Lenses
Brand Name:	OPT
Model Number:	OPT-COB1228
Place of Origin:	China
MOQ:	1 piece
Price:	Negotiable
Payment Terms:	T/T
Supply Ability:	Negotiable
Delivery Time:	7 work days at the soonest
Packaging Details:	Craft Box
Focal Length:	12mm
Aperture range:	F2.8-F16
Working Distance(mm):	100mm-∞
Filter thread (mm):	M27*P0.5
Image circle Ø (mm):	9mm
Back focal length (mm):	14mm at WD100; 12.76mm at ∞
Weight:	0.06kg
Resolution (µm):	2.2(µm

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Company Info.

OPT Machine Vision Tech Co., Ltd.

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F2.8-F16 Cobra Series Fixed Focal Length Lenses Focal Length 12mm 100-∞ WD 0.06kg

F2.8-F16 Cobra Series Fixed Focal Length Lenses Focal Length 12mm 100-∞ WD 0.06kg OPT-COB1228

Product Features

◆ The aperture F/# of cobra series fixed focal length lenses is F2.8-F16.

◆ Low distortion design that TV distortion is less than 0.2%

◆ Relative Illumination is high that lens' main light angle is less than 5°. Matching with cameras enables to gain high evenness image.

◆ The OPT-COB0828 working distance is 100-∞.
◆ Suitable for image circle of 9mm sensor

◆ Len filter thread is M27*P0.5.

◆ Cobra series fixed focal length lenses OPT-COB1228 focal length is 12mm.

◆ Back focal length (mm): back focal length is 14mm when its working distance is 100mm; back focal length is 12.76mm when its working distance is infinity.

◆ Weight of OPT-COB1228 fixed focal length lens is 0.06kg.

◆ The resolution of cobra series fixed focal length lenses OPT-COB1228 is 2.2µm.

◆ TV distortion is less than 0.16% at working distance of 300mm.

◆ Magnification at MOD is 0.101X at working distance of 100mm.

◆ Chief Ray Angle ＜5°.

Model Explanation

OPT-COB1228

OPT: Brand name

C: C-Mount

OB: Cobra series lenses

12: Focal length: 12mm

28: F#: 2.8

Specifications

Product Name	Cobra Series Fixed Focal Length Lenses
Model	OPT-COB1228
Focal Length	12mm
Aperture range	F2.8-F16
Working Distance(mm)	100-∞
Filter thread	M27*P0.5
TV Distortion(%)	Less than 0.16% at working distance of 300mm
Back focal length (mm)	14mm when its working distance is 100mm 12.76mm when its working distance is infinity
Weight(kg)	0.06kg
Image circle Ø (mm)	9mm
Resolution (µm)	2.2µm
Chief Ray Angle	＜5°
Magnification(x) at MOD	0.101X at working distance of 100mm

Resolution Comparison

Image taken via OPT-COB1620 Image taken via other lens

Application Examples:

Absent or not detection

Dimensions (mm)

OPT-COB1228

Product Tags:

0.4x super wide angle lens

1.67 hi-index lens

f 2.8 lenses

F2.8-F16 Cobra Series Fixed Focal Length Lenses Focal Length 12mm 100-∞ WD 0.06kg

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