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Platinum Series 25mm Lens . . . . . .
   

Platinum Series 25mm Lens . . . . . .

 

25mm Platinum LensNavitar's Newest Innovation - The First Lens in the Platinum Series

 

  • 42mm image sensor coverage.
  • Diffraction limited with less than +/- 0.05% distortion center to edge.
  • Works with F-mount or C-mount cameras.
  • Varies magnification from 0.1X to 0.5X without extensions.
  • 180 line pairs per millimeter resolution.
  • Depth of field ranges from 31mm at 0.1X to 2.2mm at 0.5X.

 

 

Multi-Magnification Lens
This is the first lens in Navitar’s new Platinum Series. Our innovative 25mm Multi-Magnification lens (1-15838) is specifically optimized to shift between any magnification from 0.1X to 0.5X while maintaining diffraction-limited image quality with less than ± 0.05% distortion. Ideal for vision system applications, this wide angle lens is designed to allow cameras to inspect large areas without the great distance required by a typical lens.

Navitar’s 25mm lens features a fixed F/8 aperture which allows for a balance between depth of field and resolution while maintaining significant light-gathering power. It has 42mm image coverage and a depth of field ranging from 31mm at 0.1X to 2.2mm at 0.5X. Its very low distortion permits cameras to determine dimensional measurements without the need for software calibration on vision systems.

 

 
Lens Diagrams

. . . . . . . 25mm Platinum Lens with C-Mount . . . . . .

25mm platinum lens with c-mount
. . . . . . . 25mm Platinum Lens with F-Mount . . . . . .
25mm platinum lens with F-format
 
Lens Specifications

 

25mm Multi-Magnification Lens
Part Number
1-15838
Distortion (max. error)
+/- 0.05% (+/- 10 microns)
Focal Length (mm)
25
F-Number
F/8 (fixed)
Lens Diameter (mm)
60.8
Image Size (mm)
42.4
 
Magnification Specifications

 

Mag.
Object
Size
Working
Distance
Spot
Size
(microns)
Image MTF
Cut-Off
Object MTF
Cut-Off
Object
N.A.
Image
N.A.
Object Side
Depth of Field
(0.001/NA²)
0.50X
84.4
45
6.5
140
70
0.0212
0.0425
2.22
0.34X
127.2
70
5.6
160
50
0.0159
0.0476
3.95
0.20X
212
120
5.2
190
38
0.0105
0.0526
9.07
0.14X
318
183
4.8
200
25
0.0074
0.0556
18.26
0.10X
424
245
4.8
200
20
0.0057
0.0572
30.78
*Measurements are in mm unless otherwise specified.

 

 

Field of View

 

25mm Field of View

 
Download 25mm Platinum Lens Flyer PDF
 

 



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