Casio EX-H15 has a 14.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CCD sensor . You can shoot at maximum resolution of 4320 x 3240 pixels with aspect ratios of 4:3, 3:2 and 16:9. EX-H15 has a native ISO range of 64 - 3200 but unfortunately, Casio EX-H15 doesn't have RAW file support. If you need a Compact camera with a RAW support, consider Leica Q (Typ 116) or Casio Exilim EX-10 in the same price range.
Casio EX-H15 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-H15 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-H15's 1/2.3-inch sensor compares with other standard sensor sizes.
Comparison image of Casio EX-H15 Sensor Size with other standard sensors
Sensor size is what determines the circle of confusion, and therefore how much
depth of field Casio EX-H15 gives you at any given aperture.
You can
calculate
the exact depth of field for the Casio EX-H15
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.
