Pentax 645D vs Pentax E90

Let's take a closer look at the Pentax 645D vs Pentax E90, one is a Pro DSLR and the other is a Small Sensor Compact and they are both sold by Pentax. There exists a huge gap between the image resolutions of the 645D (40MP) and E90 (10MP) and the 645D (Medium format) and E90 (1/2.3") posses totally different sensor sizing.

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The 645D was brought out 2 months after the E90 and they are of a similar generation. Both of the cameras feature different body design with the Pentax 645D being a Large SLR camera and the Pentax E90 being a Compact camera.

Before delving right into a step-by-step comparison, here is a quick view of how the 645D matches up against the E90 in the way of portability, imaging, features and an overall mark.

The following is a sample of the gallery pictures for Pentax 645D and Pentax Optio E90. The entire galleries are viewable at Pentax 645D Gallery and Pentax E90 Gallery.

When you are looking to travel with your camera, you will need to consider its weight and size. The Pentax 645D enjoys physical dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs) and the Pentax E90 has specifications of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") along with a weight of 145 grams (0.32 lbs).

Analyze the Pentax 645D vs Pentax E90 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you choose at the time. The following is a front view dimensions comparison of the 645D compared to the E90.

Using dimensions and weight, the portability grade of the 645D and E90 is 50 and 94 respectively.

More often than not, it can be hard to envision the gap between sensor dimensions purely by checking specifications. The picture here might give you a better sense of the sensor sizes in the 645D and E90.

Plainly, both the cameras come with different megapixels and different sensor dimensions. The 645D due to its larger sensor will make achieving shallow DOF less difficult and the Pentax 645D will give more detail having its extra 30MP. Greater resolution will also let you crop images a good deal more aggressively.