Megapixels: Do they matter that much?
60848
Do megapixels matter with modern sensor technology?
104114
What megapixel value is equivalent to which ISO film?
113464
When dealing with rasters of varying resolutions should one resample to the highest or lowest resolution?
55655
Is it possible to scale up an image to increase the the pixel density?
66497
Cocos2d-x supporting multi-resolution using density independent pixels
57577
Impulse, gaussian and salt and pepper noise with OpenCV
96644
Automatically resize high-resolution screenshots
27664
Does lower resolution result in better signal-to-noise ratio, given the same sensor size?
158181
How does the lens diameter influence photo quality?
71909
When best to use Multi-Zone/Matrix, Spot, or Center-Weight exposure metering modes?
21894
Are DSLRs a dying breed, making now the time to switch to a mirrorless camera system?
60038
How do depth of field and the circle of confusion relate to pixel size on the sensor?
124074
Does stacking more lens filters decrease overall image quality?
138630
Can we measure size of an object using EXIF data from a photo?
63287
What is meant by pixels and DPI for photo submissions?
33961
Does it give higher quality to shoot in low-res mode in-camera, or to downsize high-res photos later?
116433
Camera image in pixel to real image in meters size relation