Olympus E-30 vs Pentax 645D

In this article, we will be looking at the Olympus E-30 versus Pentax 645D, one being a Advanced DSLR and the latter is a Pro DSLR by competitors Olympus and Pentax. There is a crucial difference among the image resolutions of the E-30 (12MP) and 645D (40MP) and the E-30 (Four Thirds) and 645D (Medium format) come with different sensor sizes.

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The E-30 was released 11 months prior to the 645D which means that they are both of a similar generation. Each of these cameras offer different body type with the Olympus E-30 being a Mid-size SLR camera and the Pentax 645D being a Large SLR camera.

Before delving in to a complete comparison, below is a simple introduction of how the E-30 grades against the 645D with respect to portability, imaging, features and an overall rating.

The following is a preview of the gallery photos for Olympus E-30 and Pentax 645D. The complete galleries are viewable at Olympus E-30 Gallery and Pentax 645D Gallery.

When you are going to carry your camera, you will have to take into account its weight and dimensions. The Olympus E-30 enjoys external measurements of 142mm x 108mm x 75mm (5.6" x 4.3" x 3.0") and a weight of 695 grams (1.53 lbs) and the Pentax 645D has 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).

Check out the Olympus E-30 versus Pentax 645D in the new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change depending on the lens you have chosen during that time. The following is the front view physical size comparison of the E-30 vs the 645D.

Taking into account size and weight, the portability grade of the E-30 and 645D is 60 and 50 respectively.

Generally, it is hard to picture the contrast in sensor sizing merely by researching specs. The visual below will help provide you a more clear sense of the sensor sizing in the E-30 and 645D.

As you can plainly see, both of the cameras offer different resolutions and different sensor sizing. The E-30 featuring a smaller sensor is going to make shooting shallower depth of field more difficult and the Pentax 645D will provide you with extra detail as a result of its extra 28MP. Higher resolution can also let you crop photographs a little more aggressively. The older E-30 will be disadvantaged when it comes to sensor technology.