Pentax K100D S vs Sony A33

Following is a comprehensive assessment of the Pentax K100D S vs Sony A33, both Entry-Level DSLR digital cameras by companies Pentax and Sony. There is a substantial difference between the resolutions of the K100D S (6MP) and A33 (14MP) but they use the same exact sensor dimensions (APS-C).

Pentax 17 Pre-Orders Outperform Expectations by a Landslide

The K100D S was brought out 4 years prior to the A33 which is quite a big difference as far as tech is concerned. The two cameras offer the identical body type (Compact SLR).

Before delving through a thorough comparison, below is a brief introduction of how the K100D S grades vs the A33 with respect to portability, imaging, features and an overall score.

This is a preview of the gallery photos for Pentax K100D Super & Sony SLT-A33. The entire galleries are available at Pentax K100D S Gallery & Sony A33 Gallery.

For anybody who is looking to carry around your camera regularly, you will want to factor in its weight and measurements. The Pentax K100D S offers physical dimensions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") with a weight of 646 grams (1.42 lbs) while the Sony A33 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Check out the Pentax K100D S vs Sony A33 in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change dependant on the lens you are working with at that time. Below is the front view physical size comparison of the K100D S versus the A33.

Looking at size and weight, the portability grade of the K100D S and A33 is 65 and 67 respectively.

Oftentimes, it is very hard to picture the difference between sensor sizes merely by reviewing specifications. The picture below will help offer you a stronger sense of the sensor dimensions in the K100D S and A33.

Plainly, both the cameras enjoy the same exact sensor sizing albeit different MP. You can count on the Sony A33 to offer greater detail having its extra 8MP. Higher resolution will also help you crop photographs far more aggressively. The more aged K100D S is going to be behind when it comes to sensor technology.