Panasonic GX850 vs Pentax 645D

Below is a complete analysis of the Panasonic GX850 versus Pentax 645D, former being a Entry-Level Mirrorless while the latter is a Pro DSLR by rivals Panasonic and Pentax. There exists a noticeable gap among the sensor resolutions of the GX850 (16MP) and 645D (40MP) and the GX850 (Four Thirds) and 645D (Medium format) enjoy different sensor dimensions.

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The GX850 was announced 6 years later than the 645D and that is a fairly sizable difference as far as camera technology is concerned. Both of these cameras come with different body type with the Panasonic GX850 being a Rangefinder-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before delving in to a in-depth comparison, below is a brief summation of how the GX850 matches up against the 645D when considering portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Panasonic Lumix DMC-GX850 & Pentax 645D. The whole galleries are provided at Panasonic GX850 Gallery & Pentax 645D Gallery.

For those who are aiming to lug around your camera frequently, you are going to need to factor in its weight and proportions. The Panasonic GX850 comes with outside dimensions of 107mm x 65mm x 33mm (4.2" x 2.6" x 1.3") and a weight of 269 grams (0.59 lbs) and the Pentax 645D has measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs).

Analyze the Panasonic GX850 versus Pentax 645D in our completely new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ depending on the lens you have attached at the time. Here is the front view measurement comparison of the GX850 compared to the 645D.

Using dimensions and weight, the portability grade of the GX850 and 645D is 90 and 50 respectively.

Sometimes, it is hard to picture the contrast in sensor measurements simply by checking out a spec sheet. The photograph underneath will help offer you a more clear sense of the sensor dimensions in the GX850 and 645D.

Clearly, the two cameras have got different megapixels and different sensor measurements. The GX850 with its smaller sensor is going to make getting shallow depth of field more challenging and the Pentax 645D will show extra detail with its extra 24 Megapixels. Higher resolution will also allow you to crop shots much more aggressively. The fresher GX850 should have an edge in sensor tech.