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Cobra Series Fixed Focal Length Lenses Focal Length 25mm F2.8-F16 WD 150-∞ 0.05kg

Categories	Fixed Focal Length Lenses
Brand Name:	OPT
Model Number:	OPT-COB2528
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
Model:	OPT-COB2528
Focal Length:	16mm
TV Distortion:	＜0.15% at WD300
Working Distance(mm):	150mm-∞
Image circle Ø (mm):	11mm
Back focal length (mm):	16.63mm at WD150; 12.65mm at ∞
Weight:	0.05kg
Mag. at MOD:	0.159X at WD150

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Company Info.

OPT Machine Vision Tech Co., Ltd.

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Cobra Series Fixed Focal Length Lenses Focal Length 25mm F2.8-F16 WD 150-∞ 0.05kg

Cobra Series Fixed Focal Length Lenses Focal Length 25mm F2.8-F16 WD 150-∞ 0.05kg OPT-COB2528

Product Features

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

◆ It is designed with low distortion that TV distortion＜0.2%

◆ It can support high relative Illuminance that lens' main light angle＜5°. Being matched with cameras is able to get high evenness image.

◆ The OPT-COB2528 working distance is 150-∞.
◆ The image circle diameter is 11mm.

◆ Filter thread: M27*P0.5.

◆ Cobra series fixed focal length lenses OPT-COB2528 focal length is 25mm.

◆ Back focal length (mm): back focal length is 16.63mm when its working distance is 150mm; back focal length is 12.65mm when its working distance is infinity.

◆ Weight of OPT-COB2528 fixed focal length lens is 0.05kg.

◆ The cobra series fixed focal length lenses OPT-COB2528 resolution is 2.2µm.

◆ TV distortion is less than 0.15% at working distance of 300mm.

◆ Magnification at MOD is 0.159X at working distance of 150mm.

◆ The chief ray angle is＜5°.

Model Explanation

OPT-COB2528

OPT: Brand name

C: C-Mount

OB: Cobra series lenses

25: Focal length: 25mm

28: F#: 2.8

Specifications

Product Name	Fixed Focal Length Lenses of Cobra Series
Model	OPT-COB2528
Focal Length	25mm
Aperture range	From F2.8 to F16
Working Distance(mm)	150mm-∞
TV Distortion(%)	Less than 0.15% at working distance of 300mm
Back focal length (mm)	16.63mm when its working distance is 150mm 12.65mm when its working distance is infinity
Weight(kg)	0.05kg
Image circle Ø (mm)	11mm
Resolution (µm)	2.2µm
Chief Ray Angle	Less than 5°
Magnification(x) at MOD	0.159X at working distance of 150mm

Resolution Comparison

Image taken via Cobra Series Fixed Focal Length Lens Image taken via other lens

Application Examples:

Barcode reading

Dimensions (mm)

OPT-COB2528

Product Tags:

1.56 index lens

1.67 hi-index lens

0.4x super wide angle lens

Cobra Series Fixed Focal Length Lenses Focal Length 25mm F2.8-F16 WD 150-∞ 0.05kg

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