Panasonic S1R vs Pentax K-3

Below, we will be looking at the Panasonic S1R vs Pentax K-3, former being a Pro Mirrorless while the latter is a Advanced DSLR by companies Panasonic and Pentax. There is a noticeable difference among the resolutions of the S1R (47MP) and K-3 (24MP) and the S1R (Full frame) and K-3 (APS-C) feature totally different sensor measurements.

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The S1R was revealed 4 years later than the K-3 and that is a fairly sizable difference as far as camera tech is concerned. Both of the cameras come with different body type with the Panasonic S1R being a SLR-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.

Before diving straight into a in depth comparison, below is a concise view of how the S1R matches up vs the K-3 in the way of portability, imaging, features and an overall rating.

This is a preview of the gallery images for Panasonic Lumix DC-S1R & Pentax K-3. The full galleries are provided at Panasonic S1R Gallery & Pentax K-3 Gallery.

For anyone who is intending to carry your camera frequently, you have to factor in its weight and dimensions. The Panasonic S1R provides exterior dimensions of 149mm x 110mm x 97mm (5.9" x 4.3" x 3.8") having a weight of 1020 grams (2.25 lbs) while the Pentax K-3 has dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs).

Take a look at the Panasonic S1R vs Pentax K-3 in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ depending on the lens you select at that moment. Below is the front view dimension comparison of the S1R and the K-3.

Using size and weight, the portability grade of the S1R and K-3 is 54 and 59 respectively.

Generally, its tough to envision the contrast in sensor sizing simply by researching a spec sheet. The photograph underneath will help give you a stronger sense of the sensor sizes in the S1R and K-3.

As you can see, the two cameras have got different resolutions and different sensor sizing. The S1R having a bigger sensor will make shooting shallower depth of field easier and the Panasonic S1R will result in greater detail because of its extra 23 Megapixels. Higher resolution will enable you to crop shots much more aggressively. The newer S1R is going to have a benefit with regard to sensor tech.