Panasonic FX75 vs Pentax 645Z

In this write-up, we will be reviewing the Panasonic FX75 versus Pentax 645Z, former being a Small Sensor Compact while the latter is a Pro DSLR by rivals Panasonic and Pentax. There exists a noticeable gap between the resolutions of the FX75 (14MP) and 645Z (51MP) and the FX75 (1/2.3") and 645Z (Medium format) enjoy different sensor sizes.

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The FX75 was launched 4 years before the 645Z and that is quite a sizable difference as far as technology is concerned. Both of these cameras offer different body type with the Panasonic FX75 being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before going straight into a comprehensive comparison, below is a short summary of how the FX75 grades vs the 645Z in terms of portability, imaging, features and an overall grade.

The following is a preview of the gallery photos for Panasonic Lumix DMC-FX75 & Pentax 645Z. The complete galleries are viewable at Panasonic FX75 Gallery & Pentax 645Z Gallery.

If you're looking to lug around your camera, you have to consider its weight and measurements. The Panasonic FX75 has got physical measurements of 103mm x 55mm x 23mm (4.1" x 2.2" x 0.9") and a weight of 165 grams (0.36 lbs) while the Pentax 645Z has proportions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs).

Contrast the Panasonic FX75 versus Pentax 645Z in our completely new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change based on the lens you are using at that time. Underneath is the front view measurement comparison of the FX75 versus the 645Z.

Taking into account dimensions and weight, the portability rating of the FX75 and 645Z is 94 and 49 respectively.

Normally, it's hard to imagine the gap between sensor measurements merely by reading specs. The graphic here should provide you a clearer sense of the sensor sizing in the FX75 and 645Z.

All in all, each of these cameras offer different resolutions and different sensor measurements. The FX75 because of its tinier sensor is going to make getting shallow DOF harder and the Pentax 645Z will offer you extra detail utilizing its extra 37MP. Higher resolution will also make it easier to crop photographs a little more aggressively. The older FX75 is going to be disadvantaged when it comes to sensor tech.