products

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

Basic Information
Place of Origin: China
Brand Name: OPT
Model Number: OPT-COB1228
Minimum Order Quantity: 1 piece
Price: Negotiable
Packaging Details: Craft Box
Delivery Time: 7 work days at the soonest
Payment Terms: T/T
Supply Ability: Negotiable
Detail Information
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

Product Description

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:  
                                                             F2.8-F16 Cobra Series Fixed Focal Length Lenses Focal Length 12mm 100-∞ WD 0.06kg 0
                                                                                                   Absent or not detection                      
                                                                                                                                                                                                             
Dimensions (mm)
OPT-COB1228

                                   F2.8-F16 Cobra Series Fixed Focal Length Lenses Focal Length 12mm 100-∞ WD 0.06kg 1                                                      

Contact Details
optom

Phone Number : +8618002835357