Pentax 645D vs Sony A290

Below, we will be reviewing the Pentax 645D versus Sony A290, former being a Pro DSLR while the latter is a Entry-Level DSLR by brands Pentax and Sony. There is a large difference among the image resolutions of the 645D (40MP) and A290 (14MP) and the 645D (Medium format) and A290 (APS-C) enjoy totally different sensor size.

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The 645D was released 3 months before the A290 and they are both of a similar age. The two cameras come with different body type with the Pentax 645D being a Large SLR camera and the Sony A290 being a Compact SLR camera.

Before getting in to a in-depth comparison, below is a brief highlight of how the 645D grades against the A290 when considering portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Pentax 645D & Sony Alpha DSLR-A290. The complete galleries are available at Pentax 645D Gallery & Sony A290 Gallery.

In case you're intending to lug around your camera frequently, you should think about its weight and volume. The Pentax 645D has got exterior dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs) whilst the Sony A290 has sizing of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") with a weight of 549 grams (1.21 lbs).

Check out the Pentax 645D versus Sony A290 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change dependant on the lens you are working with at that moment. Here is the front view over all size comparison of the 645D compared to the A290.

Factoring in size and weight, the portability grade of the 645D and A290 is 50 and 66 respectively.

Oftentimes, it's hard to envision the gap in sensor measurements simply by looking through a spec sheet. The graphic underneath will help provide you a far better sense of the sensor sizes in the 645D and A290.

Clearly, both cameras have got different megapixels and different sensor measurements. The 645D because of its bigger sensor will make shooting shallower DOF simpler and the Pentax 645D will provide you with more detail as a result of its extra 26 Megapixels. Higher resolution will also make it easier to crop pictures much more aggressively.