Positive Cylinder

Positive Cylinder

Positive cylinders have one flat surface and one convex surface.

 

Below are our standard positive cylinder specifications. 
Don't see what you need? Request custom optics.

Lens Type Positive Cylinder Length Tolerance ± 0.10 mm
Glass Type N-BK7 Width Tolerance ± 0.14 mm
Dimension Unit mm Center Thickness ± 0.50 mm
Focal Length ± 2% Surface Quality 60-40
Surface Accuracy Y-Direction
X-Direction
1/2 Wave Centration < 3 arc minutes
1/2 Wave per 25 mm Clear Aperture 90%
Coating Uncoated, Specify your coating (See Coating Chart for Available Options)
* All dimensions are in mm
Positive Cylinder
  to  
  to  
Part Number X (Length) Y (Width) Effective Focal Length Back Focal Length Center Thickness Edge Thickness  
L-PCP034 60 50 300 298.3 4 2 Add to Quote
L-PCP032 60 50 250 247.9 4.5 2.1 Add to Quote
L-PCP030 60 50 200 197.3 5 1.9 Add to Quote
L-PCP028 60 50 150 146.5 6 1.9 Add to Quote
L-PCP027 60 50 100 95 8 1.6 Add to Quote
L-PCP026 130 30 80 77.63 4 1.2 Add to Quote
L-PCP025 60 30 80 77.63 4 1.2 Add to Quote
L-PCP024 130 20 60 58.22 3 1.3 Add to Quote
L-PCP023 60 20 60 58.22 3 1.3 Add to Quote
L-PCP021 130 15 40 38.35 2.7 1.3 Add to Quote
L-PCP019 60 15 40 38.35 2.7 1.3 Add to Quote
L-PCP015 60 22 25.4 20.87 7 1 Add to Quote
L-PCP011 25 19 19 13.46 8.5 1.2 Add to Quote
L-PCP007 25 12 12.7 12.7 5 1.1 Add to Quote
L-PCP003 25 6 6.35 4 3.5 1.61 Add to Quote