The Canon PowerShot Elph 520 HS' photo quality is good to very good, but overall disappointing compared with past HS-model Elphs. Even at its lowest ISO settings, subjects look soft and noisy when viewed at 100 percent. Unfortunately, that means the 10-megapixel resolution doesn't give you much room for enlarging and cropping. I usually have no problem recommending PowerShots for shooting indoors or in low light, but the 520 HS gets noticeably worse at and above ISO 400. The one positive is that colors remain consistently good up to ISO 800.
At ISO 1600 and 3200, noise and noise reduction destroy fine detail, making things look soft and smeary, and you can see yellow blotching from noise. This camera is best for use outdoors in good lighting for those who just need good-quality images for small prints and online sharing. If you're after significantly better photos than your smartphone, you might want to give this one a pass.