Canon T6 has a
18.0MP APS-C (22.3 x 14.9 mm ) sized CMOS sensor and features Digic 4+ processor. On the other hand, Sony A57 has a
16.0MP APS-C (23.5 x 15.6 mm ) sized CMOS sensor .
Below you can see the T6 and A57 sensor size comparison.
Sensor Size and Resolution Comparison image of Canon T6 and Sony A57 Cameras
As seen above, Sony A57 has a 1.1x Larger sensor area than Canon T6. Larger sensors give photographer more control on the depth of field and blurry background compared to smaller sensor when shot in same focal length and aperture.
DxOMark Sensor Scores
DxOMark is a benchmark that scientifically assesses image quality of camera sensors. It scores camera sensors for color depth (DXO Portrait), dynamic range (DXO Landscape) and low-light sensitivity (DXO Sports), and also gives them an overall score. Canon T6 and Sony A57 sensors have been tested by DxO and the results show that A57 has a better overall score of 75, 9 points higher compared to T6's score of 66.
Model
Overall
Color Depth
Dynamic Range
Low-light ISO
Canon T6
66
22.0 bits
11.7 Evs
781 ISO
Sony A57
75
23.4 bits
13.0 Evs
785 ISO
Sensor size sets the circle of confusion, so it drives how much depth of field each
of these bodies gives you at a given aperture. You can calculate it exactly for the
Canon T6
or the
Sony A57 ,
including hyperfocal distance.
