TOP CAMERAS: SMALLEST
SMALLEST DSLRCanon EOS Rebel SL1
Dimensions:?4.6 x 3.6 x 2.7 inches
Though it features the same 18-megapixel sensor of the EOS?Rebel T5i, the SL1 is nearly 30% smaller in volume.
DSLR OVER $1,000Pentax K-5 II
Dimensions:?5.2 x 3.8 x 2.9 inches
The K-5 II packs a lot of capability—16.3-megapixel stills, Full 1080 HD video and a new AF?system rated to -3 EV—into a rugged, yet very compact body that's also weather-resistant.
MIRRORLESSPentax Q7 & Q10
Dimensions:?4.0 x 2.3 x 1.3 inches
Identical in size and weight, the Q7 and Q10 are also both 12.4-megapixel cameras, though the Q7 features a larger sensor.
FIXED-LENSNikon COOLPIX S01
Dimensions:?3.1 x 2.1 x 0.7 inches
The ultra-small S01 is about the size of a business card (a little smaller, actually) and can shoot 10-megapixel stills and 720p HD?video, saved to the built-in 7.3 GB of storage.
TOP CAMERAS: BEST IMAGE QUALITY
BEST SENSOR RATINGNikon D800E & D800
The D800E, which omits a low-pass filter, and the D800 which employs one, rank #1 and #2 of all cameras in DxOMark sensor ratings.
DSLR UNDER $1,000Nikon D5200
Nikon's affordable 24.1-megapixel D5200 retails for about one-third of the D800 and comes in at #13 in DxOMark rankings.