Pentax 645Z vs Pentax Efina

Here is a comprehensive comparison of the Pentax 645Z vs Pentax Efina, former being a Pro DSLR while the latter is a Ultracompact and both are manufactured by Pentax. There exists a considerable gap among the sensor resolutions of the 645Z (51MP) and Efina (14MP) and the 645Z (Medium format) and Efina (1/2.3") boast different sensor size.

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The 645Z was introduced 11 months later than the Efina which means that they are both of a similar age. Both the cameras feature different body design with the Pentax 645Z being a Large SLR camera and the Pentax Efina being a Ultracompact camera.

Before going into a in-depth comparison, here is a concise summation of how the 645Z scores against the Efina with regard to portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Pentax 645Z & Pentax Efina. The whole galleries are provided at Pentax 645Z Gallery & Pentax Efina Gallery.

For anyone who is going to carry your camera frequently, you need to take into account its weight and dimensions. The Pentax 645Z comes with external dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs) whilst the Pentax Efina has dimensions of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") with a weight of 91 grams (0.20 lbs).

Analyze the Pentax 645Z vs Pentax Efina in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will change dependant on the lens you are working with at the time. Underneath is a front view dimension comparison of the 645Z and the Efina.

Factoring in dimensions and weight, the portability grade of the 645Z and Efina is 49 and 97 respectively.

Typically, it is hard to imagine the gap in sensor sizing simply by researching technical specs. The photograph underneath might give you a more clear sense of the sensor sizes in the 645Z and Efina.

As you have seen, both of those cameras feature different resolutions and different sensor sizing. The 645Z with its bigger sensor is going to make getting shallower depth of field simpler and the Pentax 645Z will provide you with greater detail using its extra 37MP. Higher resolution can also make it easier to crop shots way more aggressively. The fresher 645Z provides an edge when it comes to sensor technology.