There is no agreed definition of what constitutes a featured picture. However, Wikipedia featured picture candidates should not display any of the following technical flaws, unless there are strong mitigating reasons, such as historical significance or unique subject matter: see the featured picture criteria page for guidelines, and the WP:WIAFP/example subject matter gallery for examples of notable exceptions.
Typically, technical problems in nominated images aren't as blatant as they are in the examples above. Here are some real world case studies.
Image | Nomination | Problems |
---|---|---|
Wikipedia:Featured picture candidates/Oklahoma City memorial | Stitching errors, white building overexposed, posterisation (probably caused by JPEG compression), slight chromatic aberration, inappropriate file type | |
Wikipedia:Featured picture candidates/Two JFKs For Father's Day | Film grain, out of focus, oversharpened, smallish | |
Wikipedia:Featured picture candidates/Blue Manakin | Noise, subject not entirely in focus (insufficient DOF) | |
Wikipedia:Featured picture candidates/Snail climbing grass SMC 07.jpg | Insufficient DOF, JPEG artifacts |