Olympus E-1 vs Panasonic S1R

On this page, we will be matching up the Olympus E-1 and Panasonic S1R, former being a Pro DSLR while the latter is a Pro Mirrorless by brands Olympus and Panasonic. There exists a substantial gap between the image resolutions of the E-1 (5MP) and S1R (47MP) and the E-1 (Four Thirds) and S1R (Full frame) provide totally different sensor sizing.

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The E-1 was unveiled 16 years before the S1R and that is quite a big difference as far as technology is concerned. Each of the cameras have different body design with the Olympus E-1 being a Large SLR camera and the Panasonic S1R being a SLR-style mirrorless camera.

Before we go straight to a in depth comparison, here is a concise view of how the E-1 matches up against the S1R in the way of portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Olympus E-1 & Panasonic Lumix DC-S1R. The full galleries are provided at Olympus E-1 Gallery & Panasonic S1R Gallery.

For anyone who is looking to carry your camera regularly, you are going to need to consider its weight and measurements. The Olympus E-1 provides external dimensions of 141mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 735 grams (1.62 lbs) and the Panasonic S1R has proportions of 149mm x 110mm x 97mm (5.9" x 4.3" x 3.8") along with a weight of 1020 grams (2.25 lbs).

Check the Olympus E-1 and Panasonic S1R in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will change depending on the lens you are utilizing at that moment. Following is a front view sizing comparison of the E-1 against the S1R.

Factoring in dimensions and weight, the portability rating of the E-1 and S1R is 59 and 54 respectively.

Quite often, it's tough to visualise the difference between sensor sizing simply by reviewing specs. The graphic underneath might provide you a better sense of the sensor sizes in the E-1 and S1R.

As you can plainly see, both of the cameras have different resolutions and different sensor sizing. The E-1 having a tinier sensor will make achieving shallower depth of field harder and the Panasonic S1R will offer you more detail having an extra 42MP. Higher resolution will let you crop pictures a bit more aggressively. The older E-1 is going to be disadvantaged in sensor innovation.