Do you still [see] the noise when you take still photos? Can you post a sample of the noise, either a still or a frame grab?
You could always try resetting the camera, which is performed in two places in the menus. Try changing the memory card, too.
@Peter sorry that was a mistake... i use 2.8-3.5 aperture .I changed iso between 100-200 . These tiny grains appear im bright as well as dark areas thats the main problem.
Can you post a sample of it? You say this only happens with your wide angle lens? I am beginning to suspect that there might be nothing wrong. It is possible to zoom in close enough on almost any image and see some noise, especially with the lenses you listed.
im having the same issue with my 70D im using a canon 50 1.4 and iso 100 and i get alot of noise when shooting video. even when i use the kit 18-135 i keep getting grain... please help
Are you sure you're not just using variable ISO with 100 as the floor?
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