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Cobra Series Fixed Focal Length Lenses Focal Length 50mm F2.8-F22 WD 250-2000mm 0.08kg

Categories	Fixed Focal Length Lenses
Brand Name:	OPT
Model Number:	OPT-COB5028
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-COB5028
Focal Length:	50mm
TV Distortion:	＜0.01% at WD300
Working Distance(mm):	250-2000mm
Image circle Ø (mm):	9mm
Back focal length (mm):	18.11mm at WD250; 18.11mm at ∞
Weight:	0.08kg
Mag. at MOD:	0.222X at WD250

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Company Info.

OPT Machine Vision Tech Co., Ltd.

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Cobra Series Fixed Focal Length Lenses Focal Length 50mm F2.8-F22 WD 250-2000mm 0.08kg

Cobra Series Fixed Focal Length Lenses Focal Length 50mm F2.8-F22 WD 250-2000mm 0.08kg OPT-COB5028

Product Features

◆ The F/# aperture is F2.8-F22.

◆ It supports high relative Illuminance and gets high evenness image by matched with cameras.

◆ The OPT-COB5028 working distance is 250-2000mm.
◆ The diameter of image circle :9mm.

◆ Filter thread: M27*P0.5.

◆ Cobra series fixed focal length lenses OPT-COB5028 focal length is 50mm.

◆ Back focal length (mm): back focal length is 18.11mm when its working distance is 250mm; back focal length is 18.11mm when its working distance is infinity.

◆ Weight of OPT-COB5028 fixed focal length lens is 0.08kg.

◆ The cobra series fixed focal length lenses' resolution is 2.2µm.

◆ TV distortion is less than 0.01% at working distance of 300mm.

◆ Magnification at MOD is 0.222X at working distance of 250mm.

◆ The chief ray angle is＜5°.

Model Explanation

OPT-COB5028

OPT: Brand name

C: C-Mount

OB: Cobra series lenses

50: Focal length: 50mm

28: F#: 2.8

Specifications

Product Name	Fixed Focal Length Lenses of Cobra Series
Model	OPT-COB5028
Focal Length	50mm
Aperture range	From F2.8 to F22
Working Distance(mm)	250-2000mm
TV Distortion(%)	Less than 0.01% at working distance of 300mm
Back focal length (mm)	18.11mm when its working distance is 250mm 18.11mm when its working distance is infinity
Weight(kg)	0.08kg
Image circle Ø (mm)	9mm
Resolution (µm)	2.2µm
Chief Ray Angle	Less than 5°
Magnification(x) at MOD	0.222X at working distance of 250mm

Resolution Comparison

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

Application Examples:

Measurement of metal parts

Dimensions (mm)

OPT-COB5028

Product Tags:

0.4x super wide angle lens

2.8mm fixed lens

1.67 hi-index lens

Cobra Series Fixed Focal Length Lenses Focal Length 50mm F2.8-F22 WD 250-2000mm 0.08kg

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