Pentax 645Z vs Sony A99 II

Lets examine more closely at the Pentax 645Z and Sony A99 II, former is a Pro DSLR while the other is a Advanced DSLR by rivals Pentax and Sony. There exists a large gap between the sensor resolutions of the 645Z (51MP) and A99 II (42MP) and the 645Z (Medium format) and A99 II (Full frame) feature totally different sensor measurements.

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The 645Z was introduced 3 years prior to the A99 II which is quite a serious difference as far as technology is concerned. Each of the cameras come with different body type with the Pentax 645Z being a Large SLR camera and the Sony A99 II being a Mid-size SLR camera.

Before diving through a comprehensive comparison, below is a brief summary of how the 645Z scores versus the A99 II with regards to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Pentax 645Z & Sony Alpha A99 II. The whole galleries are viewable at Pentax 645Z Gallery & Sony A99 II Gallery.

If you are looking to travel with your camera often, you are going to need to factor in its weight and volume. The Pentax 645Z comes with outer measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs) while the Sony A99 II has sizing of 143mm x 104mm x 76mm (5.6" x 4.1" x 3.0") having a weight of 849 grams (1.87 lbs).

Contrast the Pentax 645Z and Sony A99 II in our brand new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ depending on the lens you use at that time. Underneath is the front view size comparison of the 645Z and the A99 II.

Taking into consideration dimensions and weight, the portability score of the 645Z and A99 II is 49 and 57 respectively.

Normally, it is hard to see the contrast between sensor dimensions merely by looking at a spec sheet. The image underneath will provide you a greater sense of the sensor sizing in the 645Z and A99 II.

Clearly, each of these cameras have got different megapixel count and different sensor dimensions. The 645Z using its larger sensor will make getting shallower depth of field less difficult and the Pentax 645Z will resolve more detail using its extra 9 Megapixels. Greater resolution will also enable you to crop images much more aggressively. The more aged 645Z is going to be behind when it comes to sensor technology.