Pentax K-1 vs Sony A100

Below, we are matching up the Pentax K-1 versus Sony A100, former being a Advanced DSLR while the other is a Entry-Level DSLR by manufacturers Pentax and Sony. There exists a noticeable gap among the image resolutions of the K-1 (36MP) and A100 (10MP) and the K-1 (Full frame) and A100 (APS-C) possess different sensor measurements.

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The K-1 was unveiled 9 years later than the A100 and that is a fairly sizable difference as far as camera technology is concerned. Both of the cameras come with different body type with the Pentax K-1 being a Mid-size SLR camera and the Sony A100 being a Compact SLR camera.

Before going straight into a comprehensive comparison, below is a quick highlight of how the K-1 grades versus the A100 with regards to portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Pentax K-1 & Sony Alpha DSLR-A100. The full galleries are viewable at Pentax K-1 Gallery & Sony A100 Gallery.

If you are intending to lug around your camera often, you'll need to take into account its weight and size. The Pentax K-1 comes with physical measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") with a weight of 1010 grams (2.23 lbs) while the Sony A100 has specifications of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") having a weight of 638 grams (1.41 lbs).

Compare the Pentax K-1 versus Sony A100 in our newest Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will change based on the lens you have chosen at that time. Following is the front view sizing comparison of the K-1 vs the A100.

Using dimensions and weight, the portability score of the K-1 and A100 is 55 and 64 respectively.

Normally, its hard to visualize the difference in sensor measurements just by checking out technical specs. The visual here will provide you a better sense of the sensor sizing in the K-1 and A100.

As you can tell, each of these cameras have got different megapixels and different sensor measurements. The K-1 with its larger sensor is going to make shooting shallower DOF simpler and the Pentax K-1 will show greater detail having an extra 26 Megapixels. Greater resolution will make it easier to crop photos much more aggressively. The fresher K-1 provides a benefit in sensor innovation.