Panasonic G5 vs Pentax 645D

Here is a in-depth review of the Panasonic G5 and Pentax 645D, former being a Entry-Level Mirrorless while the other is a Pro DSLR by brands Panasonic and Pentax. There is a large difference between the image resolutions of the G5 (16MP) and 645D (40MP) and the G5 (Four Thirds) and 645D (Medium format) come with totally different sensor dimensions.

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The G5 was launched 2 years later than the 645D and that is quite a serious difference as far as tech is concerned. Each of the cameras offer different body type with the Panasonic G5 being a SLR-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before we go through a comprehensive comparison, below is a concise summation of how the G5 scores versus the 645D in relation to portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Panasonic Lumix DMC-G5 & Pentax 645D. The complete galleries are viewable at Panasonic G5 Gallery & Pentax 645D Gallery.

For those who are intending to carry your camera frequently, you will have to take into account its weight and proportions. The Panasonic G5 comes with physical dimensions of 120mm x 83mm x 71mm (4.7" x 3.3" x 2.8") with a weight of 396 grams (0.87 lbs) while the Pentax 645D has measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).

Check out the Panasonic G5 and Pentax 645D in our completely new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you are utilising during that time. Below is the front view measurements comparison of the G5 versus the 645D.

Using size and weight, the portability rating of the G5 and 645D is 74 and 50 respectively.

Usually, it's hard to envision the difference between sensor sizing only by checking specifications. The visual underneath will help offer you a far better sense of the sensor sizes in the G5 and 645D.

To sum up, both of these cameras offer different megapixel count and different sensor sizing. The G5 featuring a tinier sensor will make achieving shallow depth of field more challenging and the Pentax 645D will give you extra detail utilizing its extra 24 Megapixels. Greater resolution will also enable you to crop images a little more aggressively. The more recent G5 is going to have an advantage when it comes to sensor technology.