Olympus E-500 has a 8.0MP Four Thirds (17.3 x 13 mm ) sized CCD sensor . You can shoot at maximum resolution of 3264 x 2448 pixels with aspect ratios of and 4:3. E-500 has a native ISO range of 100 - 400 which can be boosted to 1600 and it can save files in RAW format which gives you a wider room for post processing.
Olympus E-500 is not the highest resolution Four Thirds camera. Panasonic GH7 with its 25.0MP sensor is leading in this class. Check the comparison of Olympus E-500 vs Panasonic GH7 or take a look at Highest resolution DSLR cameras list.
Let's look at how the size of the Olympus E-500's Four Thirds sensor compares with other standard sensor sizes.
Comparison image of Olympus E-500 Sensor Size with other standard sensors
Sensor size is what determines the circle of confusion, and therefore how much
depth of field Olympus E-500 gives you at any given aperture.
You can
calculate
the exact depth of field for the Olympus E-500
at any focal length, aperture and subject distance, including the hyperfocal distance
for landscapes and the very shallow focus zone you get with long telephoto lenses.
