Pentax 645Z vs Sony T99

On this page, we are reviewing the Pentax 645Z versus Sony T99, former is a Pro DSLR while the other is a Ultracompact by companies Pentax and Sony. There exists a sizable gap between the sensor resolutions of the 645Z (51MP) and T99 (14MP) and the 645Z (Medium format) and T99 (1/2.3") have different sensor dimensions.

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The 645Z was released 3 years after the T99 which is quite a significant difference as far as technology is concerned. Each of these cameras have different body design with the Pentax 645Z being a Large SLR camera and the Sony T99 being a Ultracompact camera.

Before getting into a detailed comparison, here is a simple summary of how the 645Z grades against the T99 in relation to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Pentax 645Z & Sony Cyber-shot DSC-T99. The complete galleries are viewable at Pentax 645Z Gallery & Sony T99 Gallery.

For anyone who is planning to carry around your camera regularly, you have to think about its weight and proportions. The Pentax 645Z offers physical dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs) and the Sony T99 has measurements of 93mm x 56mm x 17mm (3.7" x 2.2" x 0.7") along with a weight of 121 grams (0.27 lbs).

Examine the Pentax 645Z versus Sony T99 in our newest Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary dependant on the lens you are utilizing at that time. Here is a front view overall size comparison of the 645Z against the T99.

Factoring in dimensions and weight, the portability rating of the 645Z and T99 is 49 and 96 respectively.

Quite often, it can be difficult to visualize the difference between sensor sizes purely by checking specifications. The image here may give you a better sense of the sensor dimensions in the 645Z and T99.

To sum up, each of the cameras provide different megapixel count and different sensor sizes. The 645Z featuring a larger sensor is going to make getting shallower depth of field less difficult and the Pentax 645Z will give you greater detail as a result of its extra 37 Megapixels. Greater resolution can also allow you to crop photos more aggressively. The more recent 645Z should have a benefit in sensor technology.