Can photographing the sun damage a camera sensor and increase image noise?
Asked 3/8/2016
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2 answers
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I used a Sony a6000 with the 55-210mm lens at about 135mm to take 8–9 photos of the morning sun, around 1/13s and f/29, with some image review in between. Afterward I read that direct sun shots can damage a sensor, so I checked for obvious marks by photographing a plain bright surface and didn’t see any spots or blotches.
Since then, though, I feel like my images show more noise than before, even in RAW files exported to JPEG with no global adjustments. Can sun damage cause a general increase in noise across the whole image, and is there a reliable way to test the sensor for damage at home before sending the camera to service?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
10y ago
2 Answers
1
Because of the sensor being an array of millions of electrical devices damaging only a part of them cannot cause malfunction of all others.
Here is an example of what happens if you damage the sensor: How to fix an image sensor damaged by long sun exposures?
Of course I would not recommend continiously photographing direct sunlight as the author of this answer has done: https://photo.stackexchange.com/a/5755/49477
However:
- I have done countless exposures of the direct daylight at exposure values (exposure time divided by F square) several stops more than exposure values which you obtained, both with DSLR and live-view camera
- the morning light is much less powerful than daylight.
Concerning the noise increase: you'd better inspect your material to check whether you are fooling yourself or not. There are many settings in the camera which influence the amount of noise visible in JPEG files.
Originally by user49477. Source · Licensed CC BY-SA 4.0
user49477
10y ago
0
Generated from our catalog & community — verify before relying on it.
Direct sun damage to a sensor usually does not show up as a general increase in noise. A sensor is made of millions of individual photosites, so damage from concentrated sunlight would typically affect only a localized area, producing visible spots, streaks, or discolored/blown patches rather than making the entire frame noisier.
Based on the answers, your described exposure was not unusually extreme, especially in morning light, and many photographers have made stronger direct-sun exposures without sensor damage. If your plain-background test shows no localized defects, that’s a good sign.
To check further, make controlled comparison shots with the same ISO, shutter speed, aperture, lighting, and RAW conversion settings. Noise differences are often caused by exposure differences, shadow lifting, or simply closer inspection rather than actual damage.
So: yes, the sun can damage a sensor, but if it does, you’d expect distinct damaged areas—not a uniform rise in noise across the image. If you still suspect a problem, repeat a careful same-settings test before considering service.
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