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Questions tagged [laser]

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Laser as a subject, or as a light source

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4 votes
2 answers
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How can I find a lens locking screw if I have lost the original one?

I have an industrial camera with a C-mount lens, like this one: (Source of image, last accessed 2022.11.02.) You can see a tiny screw on the top of the picture. It is used to lock the focus ring or ...
LimeAndConconut's user avatar
LimeAndConconut
  • 111
6 votes
2 answers
741 views

LIDAR burnout; ways to check for damaging infrared lasers before shooting besides looking for posted warnings?

The BBC News article Driverless car laser ruined camera describes a situation where a particularly powerful infrared laser from the LIDAR of a prototype car at the CES show damaged the sensor of a ...
uhoh's user avatar
uhoh
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9 votes
3 answers
553 views

What problems might there be with using a laser as a flash source for high speed photography?

I'm interested in photographing a sequence of photos for a high speed event (the collision of two cyllindrical objects at 300 m/s). As I don't have resources for high speed camera, streak camera or ...
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broken_goniometer
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11 votes
3 answers
5k views

How can I take a photo of a laser beam?

I have a laser and a container of water. Putting the laser beam into the water at a certain angle makes all of the laser beam reflected and none of it refracted, so no laser gets above the water. I ...
Caridorc's user avatar
Caridorc
  • 223
1 vote
2 answers
856 views

Laser and photographic paper

Let's assume I have some pieces of photographic paper (RC) in dark room. Is it possible in such environment to draw simple shapes on the paper with simple laser pointer? If not, do you know any kind ...
Avert's user avatar
Avert
  • 111
2 votes
1 answer
707 views

What Ever Happened to Hologram AF?

I'm currently using it in my Sony DSC-F828 and I think works very well especially in low light condition. I've read a lot of hypothesis about it but anyone know for sure why modern cameras don't use ...
G M's user avatar
G M
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7 votes
3 answers
2k views

Will a laser beam damage a non operational CCD?

I am looking for an answer to this question all over the net and can't find any answers. It is clear that a strong laser beam will damage CCD while it is in use(filming), but what about if the camera ...
Mike's user avatar
Mike
  • 71
4 votes
3 answers
983 views

How do I take photographs of scientific laser products?

I have been asked to take some product photos of various scientific lasers. Most of them will just be simple shots of the boxes on a white background but I will also have to do an 'action' shot a bit ...
boz's user avatar
boz
  • 165
5 votes
2 answers
293 views

Can it damage a Canon L Series Lens (or a photographic lens with anti-glare lenses) if a powerful (Class IIIB or IV) laser is passed through it?

I would like to get a wide laser beam but a high quality one. That's why I'll make it go through a high-end Canon lens. But I would like to know if that is likely to damage my lens ! Maybe it will ...
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Skippy Fastol
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2 votes
2 answers
240 views

What combination of R, G, B lasers will give "White" with a given °K temperature?

Would it be possible to get a "white" lighting of a subject by using 3 different lasers (R, G and B) If so, which wavelengths and proportions should be used ?
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Skippy Fastol
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