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Uli Mors March 19th, 2010 04:29 AM

LASER into CCD
 
HI,

when filming events with Lasers (Lasershow etc.) - is there a way to avoid damage?

ULi

Alister Chapman March 19th, 2010 11:04 AM

Don't film into the beam!

Try to shoot so that the laser source is is pointing away from the camera. Shooting a beam from the side of a beam pointing away from you should be fine, it's only if the beam is directed into the lens that you may have an issue.

Andy Tejral March 19th, 2010 11:42 AM

This may be totally wrong, but ya gotta believe that if they can shine a laser into people's eyes--that fan kind of effect?--its got to be of short duration and low power. I'd think that kind of beam wouldn't hurt a camera.

Good luck and let us know how it turns out!

Hmm. Just thought of something. Lasers work with persistance of vision-like TV portraying motion out of still images. The light of a moving laser may be very dim. And will likely not show the entire lasered image--might want to use a slow shutter.

Eelco Romeijn March 20th, 2010 03:19 PM

If you read the instruction manual of the camera it clearly states not to shoot a laser. I did once (before reading the manual ofcourse) and it did not damage the ccd. But I would not take the risk again.

http://dl.dropbox.com/u/2332151/laser1.jpg

Uli Mors March 22nd, 2010 09:20 AM

well, just to let you know - I´ve already filmed Laser Shows (concerts + laser, weddings + laser, events+laser) with PD150, Z7, EX1 + pdw-F350, no damage yet. And of course, letting the laser "wall" wipe over you and the cam (frontal!) is a great effect...

I know that the laser can damage CCD/CMOS , and always thought: is there a way to 100% avoid serious damage when a laser hits the CCD? ND ? Was I just lucky?

Or simply have a 300$ cam with me for not getting the production camera broken??

;-)

ULI


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