Aliasing, Chromatic aberration, Moiré, Compression artifacts, Banding, Vignetting, Lens distortion, Noise reduction artifacts, Gamma correction issues, Color cast, Clipping, Posterization, Haloing, Inconsistent exposure, Poor dynamic range, Blurry, Overexposed, Underexposed, Grainy, Pixelated, Misaligned, Misshapen, Distorted, Distracting, Cluttered, Chaotic, Unfocused, Unbalanced, Unpleasant, Unnatural.