Panasonic FS25 vs Pentax 645D

Here, we will be evaluating the Panasonic FS25 versus Pentax 645D, former being a Small Sensor Compact while the latter is a Pro DSLR by rivals Panasonic and Pentax. There is a substantial difference between the sensor resolutions of the FS25 (12MP) and 645D (40MP) and the FS25 (1/2.3") and 645D (Medium format) posses different sensor sizing.

Photography Glossary

The FS25 was introduced 13 months prior to the 645D which makes them a generation apart from each other. Each of the cameras feature different body design with the Panasonic FS25 being a Compact camera and the Pentax 645D being a Large SLR camera.

Before getting into a comprehensive comparison, here is a simple summary of how the FS25 matches up against the 645D with regard to portability, imaging, features and an overall rating.

The following is a preview of the gallery images for Panasonic Lumix DMC-FS25 & Pentax 645D. The whole galleries are available at Panasonic FS25 Gallery & Pentax 645D Gallery.

When you are going to carry your camera regularly, you'll need to think about its weight and dimensions. The Panasonic FS25 features outside dimensions of 97mm x 58mm x 22mm (3.8" x 2.3" x 0.9") accompanied by a weight of 148 grams (0.33 lbs) and the Pentax 645D has dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs).

Contrast the Panasonic FS25 versus Pentax 645D in our completely new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will change dependant on the lens you are utilizing at the time. Below is a front view size comparison of the FS25 versus the 645D.

Using size and weight, the portability score of the FS25 and 645D is 95 and 50 respectively.

Usually, it's tough to picture the gap between sensor sizing simply by reading specifications. The visual underneath will help offer you a much better sense of the sensor dimensions in the FS25 and 645D.

To sum up, both of these cameras feature different megapixels and different sensor sizing. The FS25 having a tinier sensor is going to make achieving shallow depth of field harder and the Pentax 645D will deliver greater detail using its extra 28MP. Higher resolution can also allow you to crop pictures way more aggressively. The older FS25 is going to be behind when it comes to sensor technology.