FujiFilm HS10 has a 10.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized BSI-CMOS sensor . You can shoot at maximum resolution of 3648 x 2736 pixels with aspect ratios of 4:3, 3:2 and 16:9. HS10 has a native ISO range of 100 - 6400 and it can save files in RAW format which gives you a wider room for post processing.
FujiFilm HS10 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 FujiFilm HS10 vs Canon SX740 HS or take a look at Highest resolution Bridge cameras list.
Let's look at how the size of the FujiFilm HS10's 1/2.3-inch sensor compares with other standard sensor sizes.
Comparison image of FujiFilm HS10 Sensor Size with other standard sensors
Sensor size is what determines the circle of confusion, and therefore how much
depth of field FujiFilm HS10 gives you at any given aperture.
You can
calculate
the exact depth of field for the FujiFilm HS10
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.