| OP-623 Full-Frequency MTF Tester | |
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| MTF Measurement | |
| (A) SFR:Spatial Frequency Response | |
| (B) Through Focus Curve | |
| (C) Test field: Center and corner 8 points (Inner field and outer field) | |
| (D) Depth of Focus measuring | |
| BFL measuring | |
| TV line measuring | |
lenses from VGA to 5M pixel |
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