Pentax 645Z vs Sony A99

Here, we will be comparing the Pentax 645Z versus Sony A99, former is a Pro DSLR while the latter is a Advanced DSLR by companies Pentax and Sony. There is a large difference between the image resolutions of the 645Z (51MP) and A99 (24MP) and the 645Z (Medium format) and A99 (Full frame) have totally different sensor measurements.

Apple Innovates by Creating Next-Level Optical Stabilization for iPhone

The 645Z was brought out 17 months after the A99 which makes them a generation away from each other. Both of the cameras feature different body design with the Pentax 645Z being a Large SLR camera and the Sony A99 being a Mid-size SLR camera.

Before getting into a full comparison, here is a short introduction of how the 645Z matches up against the A99 in the way of portability, imaging, features and an overall mark.

Following is a preview of the gallery photos for Pentax 645Z & Sony SLT-A99. The entire galleries are available at Pentax 645Z Gallery & Sony A99 Gallery.

For anybody who is going to travel with your camera, you have to consider its weight and dimensions. The Pentax 645Z has outer measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs) and the Sony A99 has dimensions of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") and a weight of 812 grams (1.79 lbs).

Check the Pentax 645Z versus Sony A99 in our newest Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will change dependant on the lens you are working with at that moment. Below is a front view physical size comparison of the 645Z versus the A99.

Taking into consideration size and weight, the portability grade of the 645Z and A99 is 49 and 57 respectively.

Usually, its tough to visualise the difference between sensor dimensions purely by looking at a spec sheet. The pic below might offer you a greater sense of the sensor measurements in the 645Z and A99.

Clearly, both of these cameras feature different resolutions and different sensor dimensions. The 645Z because of its bigger sensor will make achieving shallower depth of field simpler and the Pentax 645Z will resolve greater detail having its extra 27MP. Higher resolution can also help you crop shots way more aggressively. The more modern 645Z will have a benefit in sensor technology.