What is the Difference Between Olympus E-P3 and Nikon D5100?

The Nikon D5100 and Olympus E-P3 are both interchangeable lens cameras, but they have some key differences:

1. Type: The D5100 is a DSLR, while the E-P3 is a mirrorless camera.
2. Sensor Size: The D5100 has a larger APS-C sensor, while the E-P3 has a smaller Four Thirds sensor.
3. Megapixels: The D5100 has more megapixels (main camera) compared to the E-P3.
4. Screen: The D5100 has a fixed screen, whereas the E-P3 has a flip-out screen.
5. ISO: The D5100 has a higher maximum expanded ISO (12800) compared to the E-P3.
6. Battery Life: The D5100 has a longer battery life with 330 more shots per charge compared to the E-P3.
7. Portability: The E-P3 is more portable than the D5100.

Overall, the Nikon D5100 is the winner in this comparison, as it beats the Olympus E-P3 in all criteria except for portability.

Comparative Table: Olympus E-P3 vs Nikon D5100

Here is a table comparing the differences between the Olympus E-P3 and Nikon D5100:

The Olympus E-P3 is a mirrorless interchangeable lens camera with a Micro Four Thirds sensor, while the Nikon D5100 is a DSLR with an APS-C sensor. The Nikon D5100 has a higher sensor resolution, larger ISO range, and an optical viewfinder. On the other hand, the Olympus E-P3 is lighter and smaller, making it more portable. Both cameras have similar autofocus systems and can handle a single memory card of SDXC or lower.