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Focal length – EZ way to find focal length of CO2 laser lens
Ophir illustrates a simple way to measure the focal length of your CO2 focusing lens using a ruler and the room ligh
| If you can't see the video click here |
Ophir illustrates a simple way to measure the focal length of your CO2 focusing lens using a ruler and the room ligh
| If you can't see the video click here |