Fujifilm SL300 has a
14.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CCD sensor . On the other hand, Fujifilm S8600 has a
16.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CCD sensor .
Below you can see the SL300 and S8600 sensor size comparison.
Sensor Size and Resolution Comparison image of Fujifilm SL300 and Fujifilm S8600 Cameras
Fujifilm SL300 and Fujifilm S8600 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 Fujifilm SL300 has 15% larger pixel area compared to Fujifilm S8600, 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
Fujifilm SL300
or the
Fujifilm S8600 ,
including hyperfocal distance.