Nikon D750 has a
24.0MP Full frame (35.9 x 24 mm ) sized CMOS sensor and features Expeed 4 processor. On the other hand, Sony A900 has a
25.0MP Full frame (35.9 x 24 mm ) sized CMOS sensor and features Bionz processor.
Below you can see the D750 and A900 sensor size comparison.
Sensor Size and Resolution Comparison image of Nikon D750 and Sony A900 Cameras
Nikon D750 and Sony A900 have the same sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture.
DxOMark Sensor Scores
Both Nikon D750 and Sony A900 sensors have been tested by DxoMark. DxoMark 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. Of the two cameras that we are comparing, D750 has scored 93, 14 points higher than A900.
Model
Overall
Color Depth
Dynamic Range
Low-light ISO
Nikon D750
93
24.8 bits
14.5 Evs
2956 ISO
Sony A900
79
23.7 bits
12.3 Evs
1431 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
Nikon D750
or the
Sony A900 ,
including hyperfocal distance.
