Public Lab Wiki documentation

Video spectrometer troubleshooting

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I can't remove the cap or turn the lens!

I'm sorry the instructions reference various cameras, but if you have this one:

Then the silver cap comes off -- it is glued, but just yank it off, nothing will happen. Then you'll see the rotatable lens cylinder below it.

If you have this one:

Then you can remove the cap with force as shown below (the pictured camera is not identical, but very similar). The lens is held in a threaded aluminum tube which you can unscrew, although pliers may be required (be gentle and try not to dent the aluminum!).

Lens assembly breakdown for cheap Creative webcam