Pentax 645Z vs Sony W710

Let's look a bit more in depth at the Pentax 645Z and Sony W710, one being a Pro DSLR and the latter is a Small Sensor Compact by manufacturers Pentax and Sony. There is a huge difference among the sensor resolutions of the 645Z (51MP) and W710 (16MP) and the 645Z (Medium format) and W710 (1/2.3") come with totally different sensor dimensions.

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The 645Z was released 16 months later than the W710 which makes the cameras a generation apart from each other. Both cameras come with different body type with the Pentax 645Z being a Large SLR camera and the Sony W710 being a Compact camera.

Before we go straight into a thorough comparison, below is a concise summary of how the 645Z matches up versus the W710 when it comes to portability, imaging, features and an overall rating.

The following is a preview of the gallery photos for Pentax 645Z and Sony Cyber-shot DSC-W710. The complete galleries are viewable at Pentax 645Z Gallery and Sony W710 Gallery.

For anyone who is looking to carry your camera, you're going to have to factor its weight and size. The Pentax 645Z comes with outside dimensions 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 W710 has specifications of 97mm x 55mm x 20mm (3.8" x 2.2" x 0.8") having a weight of 114 grams (0.25 lbs).

Examine the Pentax 645Z and Sony W710 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using at the time. Following is the front view proportions comparison of the 645Z against the W710.

Looking at size and weight, the portability score of the 645Z and W710 is 49 and 96 respectively.

Often, it is difficult to envision the contrast in sensor sizing simply by researching a spec sheet. The graphic underneath will help offer you a greater sense of the sensor dimensions in the 645Z and W710.

Clearly, both of the cameras posses different megapixels and different sensor sizing. The 645Z due to its bigger sensor will make achieving bokeh easier and the Pentax 645Z will render more detail as a result of its extra 35 Megapixels. Higher resolution can also let you crop photographs somewhat more aggressively. The more recent 645Z is going to have an advantage with regard to sensor tech.