YI 4K has a
12.0MP (6.17 x 4.55 mm ) sized CMOS sensor and features Ambarella A9SE75 processor. On the other hand, Kodak FZ45 has a
16.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CMOS sensor .
Below you can see the 4K and FZ45 sensor size comparison.
Sensor Size and Resolution Comparison image of YI 4K and Kodak FZ45 Cameras
YI 4K and Kodak FZ45 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. On the other hand, since YI 4K has 32% larger pixel area compared to Kodak FZ45, it has potential to collect more light on pixel level hence have less noise in low light / High ISO images.
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
YI 4K
or the
Kodak FZ45 ,
including hyperfocal distance.
One thing to watch when comparing these two: they have different sensor sizes
( versus 1/2.3-inch),
so compare them at the same framing rather than the same focal length.
Put the same focal length on the smaller sensor and it will show less depth of
field, not more, because it also crops tighter. The calculator shows the
full frame equivalent focal length for each body so you can match the framing.
