Products

Dot

Dot Target

Distortion dot targets are the ideal product for testing image area, distortion, field flatness and other parameters in optical and imaging systems. They are often utilized in the calibration of imaging systems. POSS’s dot targets are available on white opal base, and clear glass, in two dot/pitch sizes. Grey base dot targets available upon request.

** If required size is not listed, please enquire with us as our production facility is local and size modification is readily available. We also welcome custom pattern orders.

Specifications  
Substrate Low Iron Float Glass or White Opal (specified)
Standard Thickness 2mm
Thickness Tolerance ±0.2mm
Dimensional Tolerance ±0.1mm
Dot Diameter Tolerance ±0.002mm
Dot Spacing Tolerance ±0.002mm
Surface Flatness 4 - 6λ
Surface Quality 40-20
Coating Reflective First Surface Chromium
Rabs = 50% ±5% @ 550nm

Back to listing

Important Note

If your requirement is not included in our stock list, please enquire with us as our in-house production facility can quickly and affordably customize off-the-shelf components to a variety of sizes and shapes that will meet standard, precision or high precision quality.

Scroll Right To View More Details
P/n Dot Dia. (mm) Pitch (mm) Substrate Size (mm) Substrate Type Qty
0.5 1 10 x 10 Clear
0.5 1 10 x 10 White Opal
0.5 1 20 x 20 Clear
0.5 1 20 x 20 White Opal
0.5 1 60 x 60 Clear
0.5 1 60 x 60 White Opal
1 2 10 x 10 White Opal
1 2 20 x 20 White Opal
1 2 40 x 40 White Opal
1 2 80 x 80 White Opal
1 2 100 x 100 White Opal
Enquiry