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Focal Length 50mm Cobra Series Fixed Focal Length Lenses F2.8-F22 WD 400-∞ 0.06kg

Categories	Fixed Focal Length Lenses
Brand Name:	OPT
Model Number:	OPT-COB5028B
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-COB5028B
Focal Length:	50mm
TV Distortion:	＜0.07% at WD500
Working Distance(mm):	400mm-∞
Image circle Ø (mm):	11mm
Back focal length (mm):	20.56mm at WD400; 13.67mm at ∞
Weight:	0.06kg
Mag. at MOD:	0.136X at WD400

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Company Info.

OPT Machine Vision Tech Co., Ltd.

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Focal Length 50mm Cobra Series Fixed Focal Length Lenses F2.8-F22 WD 400-∞ 0.06kg

Focal Length 50mm Cobra Series Fixed Focal Length Lenses F2.8-F22 WD 400-∞ 0.06kg OPT-COB5028B

Product Features

◆ The F/# aperture is F2.8-F22.

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

◆ It can support high relative Illuminance and get high evenness image by matched with cameras.

◆ The OPT-COB5028B working distance is 400-∞.
◆ The diameter of image circle :11mm.

◆ Filter thread: M27*P0.5.

◆ Cobra series fixed focal length lenses OPT-COB5028B focal length is 50mm.

◆ Back focal length (mm): back focal length is 20.56mm when its working distance is 400mm; back focal length is 13.67mm when its working distance is infinity.

◆ Weight of OPT-COB5028B fixed focal length lens is 0.06kg.

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

◆ TV distortion is less than 0.07% at working distance of 500mm.

◆ Magnification at MOD is 0.136X at working distance of 400mm.

◆ The chief ray angle is＜5°.

Model Explanation

OPT-COB5028B

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-COB5028B
Focal Length	50mm
Aperture range	From F2.8 to F22
Working Distance(mm)	400mm-∞
TV Distortion(%)	Less than 0.07% at working distance of 500mm
Back focal length (mm)	20.56mm when its working distance is 400mm 13.67mm when its working distance is infinity
Weight(kg)	0.06kg
Image circle Ø (mm)	11mm
Resolution (µm)	2.2µm
Chief Ray Angle	Less than 5°
Magnification(x) at MOD	0.136X at working distance of 400mm

Resolution Comparison

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

Application Examples:

Inspection of absence

Dimensions (mm)

OPT-COB5028B

Product Tags:

0.4x super wide angle lens

70 200mm 2.8 ii

1.56 index lens

Focal Length 50mm Cobra Series Fixed Focal Length Lenses F2.8-F22 WD 400-∞ 0.06kg

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