Public Lab Wiki documentation

Video spectrometer troubleshooting

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

Public Lab is open for anyone and will always be free. By signing up you'll joined a diverse group of community researchers and tapped into a lot of grassroots expertise.

Sign up