Olympus E-PM1 vs Panasonic S1R

Its time to examine more in depth at the Olympus E-PM1 vs Panasonic S1R, one is a Entry-Level Mirrorless and the other is a Pro Mirrorless by competitors Olympus and Panasonic. There is a significant difference among the sensor resolutions of the E-PM1 (12MP) and S1R (47MP) and the E-PM1 (Four Thirds) and S1R (Full frame) feature different sensor dimensions.

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The E-PM1 was launched 8 years prior to the S1R which is a fairly sizable gap as far as camera tech is concerned. Both of the cameras come with different body type with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Panasonic S1R being a SLR-style mirrorless camera.

Before going in to a detailed comparison, below is a brief summation of how the E-PM1 matches up against the S1R when considering portability, imaging, features and an overall score.

This is a sample of the gallery pics for Olympus PEN E-PM1 and Panasonic Lumix DC-S1R. The complete galleries are viewable at Olympus E-PM1 Gallery and Panasonic S1R Gallery.

For those who are looking to carry around your camera often, you'll need to factor in its weight and dimensions. The Olympus E-PM1 provides external dimensions of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") along with a weight of 265 grams (0.58 lbs) whilst the Panasonic S1R has dimensions of 149mm x 110mm x 97mm (5.9" x 4.3" x 3.8") having a weight of 1020 grams (2.25 lbs).

Take a look at the Olympus E-PM1 vs Panasonic S1R in the all new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with at that moment. Following is the front view measurement comparison of the E-PM1 versus the S1R.

Factoring in size and weight, the portability score of the E-PM1 and S1R is 89 and 54 respectively.

Oftentimes, its tough to picture the contrast in sensor sizes purely by looking through specs. The pic here will help give you a stronger sense of the sensor dimensions in the E-PM1 and S1R.

As you can plainly see, both of those cameras posses different megapixels and different sensor sizes. The E-PM1 featuring a smaller sensor is going to make getting shallow DOF trickier and the Panasonic S1R will provide you with more detail utilizing its extra 35 Megapixels. Greater resolution will also let you crop photos somewhat more aggressively. The more aged E-PM1 will be disadvantaged in sensor innovation.