Casio EX-Z400 has a 12.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CCD sensor . You can shoot at maximum resolution of 4000 x 3000 pixels with aspect ratios of 16:9, 4:3 and 3:2. EX-Z400 has a native ISO range of 100 - 1600 but unfortunately, Casio EX-Z400 doesn't have RAW file support. If you need a Compact camera with a RAW support, consider
Casio EX-Z400 is not the highest resolution Small Sensor camera. Canon SX740 HS with its 21.0MP sensor is leading in this class. Check the comparison of Casio EX-Z400 vs Canon SX740 HS or take a look at Highest resolution Compact cameras list.
Let's look at how the size of the Casio EX-Z400's 1/2.3-inch sensor compares with other standard sensor sizes.
Comparison image of Casio EX-Z400 Sensor Size with other standard sensors
Sensor size is what determines the circle of confusion, and therefore how much
depth of field Casio EX-Z400 gives you at any given aperture.
You can
calculate
the exact depth of field for the Casio EX-Z400
at any focal length, aperture and subject distance, including the hyperfocal distance
for landscapes and how close you can get before the focus zone becomes too thin.
