Rayming RMLASER, Manual

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4.4.5 Adjustment of the focus lens
「一
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铲 卢
7' －－
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三三三写
卡、
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E
U
Focal length: 63.5
土
lMM to the surface of object
1. Focusing lens cap 2. Focusing lens (convex side down) 3. Air-in nozzle
4. Air-out nozzle 5. Lens cone
Put an acryl on the tabl e, loosen the screw which is on the left of the laser
head. Move the laser head to 63.5mm plus-minus lmm, then press the
"test" button on the panel and observe the size of light. The best distance
for focus lens is the one which makes the facula least.
Another way to find the focu s
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