Can the sun damage the camera sensor? Under what conditions?

Question

I want to experiment taking photos where the sun appears. I'm afraid of what might happen if I take one with a narrower angle (where sun would be bigger). Can the lens act as a magnifying glass and burn the CCD or CMOS sensor?

Under which circumstances (zoom, exposition, aperture, etc...), can the sensor be damaged by the sun?

Answer 1

Taking direct photos of the sun can destroy your camera, not to mention your eyes. It's exactly as you are afraid, the lens will act as a magnifier and multiply the suns intensity right on your cameras internals. What this effects can vary. Long exposures against the sun can cause permanent damage to your camera's sensor, but besides that, your camera's shutter curtains, and af sensors are also at risk when shooting right at the sun.

Now, taking photos of sunset and sunrises is okay, as is taking photos in direct sunlight (though this does require some finesse to get a good exposure), but pointing your lens right at the sun is not recommended (especially for long exposures).

Answer 2

I would say it really depends on if you have a SLR, DSLR or P&S (Point-and-Shoot) - and maybe even possibly it more (or less) depends if the sensor is CCD or CMOS.

My own experiences says it doesn't occur with P&S cameras - ever. I have 4 cheap P&S (Canon PowerShot) cameras which I have used exclusively over the years for shooting time-lapse series (500 - 100k images per shoot) and all cameras have a minimum of 500k exposures according to Exif data. 2 of 4 have taken between 2 and 3 million images. Many of those sequences were shot during an entire day with complete and direct view into the sun (intentionally). Most of those were shot using a wide-angle or a 180-degree Raynox fish-eye adapter, though I would think that would compound the problem having more lens elements to refract the light?

Oddly enough, all 4 cameras have never exhibited any loss of quality or showed any signs of damage from the sun. However, one with the most exposures has a big purple splotch that sometimes appears in images off to one side, although it seems to be more connected to the LCD screen as when I wiggle the screen it usually goes away (for awhile) - I attribute it to falling off a rock onto other rocks and once falling 2m into the bathtub (which incidentally cracked the fish-eye, so now it rattles when you tip it any direction but amazingly still works fine ;).

I also have a Sony DSC-R1 (a high-end CMOS-based P&S camera) and have accumulated easily over 200k on that one, of which many times I spent very long periods of time shooting directly into the sun in an attempt at making Photoshop-like solar flares ;) Again here I was never able to find any noticeable deterioration or difference between the first images.

Then again, maybe it was all just luck that nothing got burned ;)

Answer 3

Yes, the sun can damage your sensor, as detailed in the previous answer. If it is that strong, compared to your sensor's sensitivity, you won't get a useful exposure in any case.

If you do want to photograph the sun, you can use an ND400 filter. This is the one I use: http://www.bhphotovideo.com/c/product/155266-REG/Hoya_A77ND400_77_mm_Neutral_Density.html

It will reduce the strength of the sun by a factor of 400, making the sun dark enough to not over-expose it and much less likely to damage your sensor, at least for exposures not too long where the sun is not over-exposed.

Answer 4

Remember that with a SLR the mirror is down until immediately before the shutter opens. The mirror would reflect most of the light to the eyepiece and not to the sensor or shutter.

Some of the light would be directed through the mirror to the focus mirror, which is usually behind the main mirror and gets its light through a section of the main mirror that is partially reflective. So, potentially that sensor could get some light hitting it.

Actually hurting the sensor isn't likely though. The light would have to get past the mirror and shutter, or, you'd have to take an extremely long exposure that held the mirror up and shutter open. In that case, odds are really good the photo would over exposed well beyond recovering.

And, in any case where damage did occur, it would be pretty obvious to Nikon or Canon's repair shop what had happened because they've seen it all, resulting in a voided warranty.

There was a known problem with cloth shutter-curtain Leica's having holes burned in them.

Answer 5

If you take a very quick picture of the Sun, it won't kill your camera, but don't point it in the general direction of the Sun at all for very long. Remember that exposure won't last for very long at all. Your CCD probably won't be damaged, but the lens might heat up enough to cause some damage.

Answer 6

I been trying sunrise timelapses with my Canon S95, and on one where I intentionally tried to end in overexposure, with camera running at ISO 80, 1/160 sec, F8.0. Towards the end, the camera defocused itself, whilst running on manual infinity focus. I think the CCD might have over heated, as it is the only logical reason why. Have seen no signs of any damage since, thankfully. You can see the result here: http://www.youtube.com/watch?v=xr5LjRzIUWs