Pentax K100D vs Sony A99 II

Below is a extended review of the Pentax K100D versus Sony A99 II, former being a Entry-Level DSLR while the latter is a Advanced DSLR by competitors Pentax and Sony. There is a noticeable difference between the resolutions of the K100D (6MP) and A99 II (42MP) and the K100D (APS-C) and A99 II (Full frame) provide totally different sensor sizes.

Photography Glossary

The K100D was introduced 10 years prior to the A99 II and that is quite a sizable difference as far as tech is concerned. Both of the cameras feature different body design with the Pentax K100D being a Compact SLR camera and the Sony A99 II being a Mid-size SLR camera.

Before we go straight to a in-depth comparison, here is a brief highlight of how the K100D grades vs the A99 II with regards to portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Pentax K100D & Sony Alpha A99 II. The whole galleries are viewable at Pentax K100D Gallery & Sony A99 II Gallery.

For anybody who is intending to lug around your camera regularly, you'll need to factor in its weight and dimensions. The Pentax K100D provides exterior measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") and a weight of 660 grams (1.46 lbs) while the Sony A99 II has dimensions of 143mm x 104mm x 76mm (5.6" x 4.1" x 3.0") having a weight of 849 grams (1.87 lbs).

Take a look at the Pentax K100D versus Sony A99 II in our newest Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary based on the lens you choose at that time. Following is a front view sizing comparison of the K100D compared to the A99 II.

Considering size and weight, the portability rating of the K100D and A99 II is 64 and 57 respectively.

Often, its tough to visualise the difference between sensor measurements only by checking specs. The visual here may provide you a more clear sense of the sensor measurements in the K100D and A99 II.

All in all, the two cameras come with different megapixels and different sensor measurements. The K100D having a tinier sensor will make getting bokeh harder and the Sony A99 II will give you extra detail using its extra 36 Megapixels. Higher resolution can also let you crop photographs a good deal more aggressively. The older K100D is going to be behind in sensor tech.