Olympus E-30 vs Pentax 645Z

Its time to examine more closely at the Olympus E-30 versus Pentax 645Z, former being a Advanced DSLR while the latter is a Pro DSLR by manufacturers Olympus and Pentax. There exists a sizable gap between the image resolutions of the E-30 (12MP) and 645Z (51MP) and the E-30 (Four Thirds) and 645Z (Medium format) possess different sensor sizing.

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The E-30 was brought out 6 years prior to the 645Z and that is quite a significant difference as far as technology is concerned. Both cameras offer different body type with the Olympus E-30 being a Mid-size SLR camera and the Pentax 645Z being a Large SLR camera.

Before going straight into a detailed comparison, below is a quick synopsis of how the E-30 scores versus the 645Z in regards to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Olympus E-30 & Pentax 645Z. The entire galleries are viewable at Olympus E-30 Gallery & Pentax 645Z Gallery.

In case you're aiming to lug around your camera, you're going to have to factor in its weight and size. The Olympus E-30 has got outer dimensions of 142mm x 108mm x 75mm (5.6" x 4.3" x 3.0") accompanied by a weight of 695 grams (1.53 lbs) whilst the Pentax 645Z has specifications of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") with a weight of 1550 grams (3.42 lbs).

Examine the Olympus E-30 versus Pentax 645Z in our newest Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ based on the lens you are utilising at that time. Following is the front view dimensions comparison of the E-30 compared to the 645Z.

Looking at dimensions and weight, the portability rating of the E-30 and 645Z is 60 and 49 respectively.

Normally, it can be hard to picture the gap between sensor measurements simply by reviewing technical specs. The graphic underneath should give you a better sense of the sensor dimensions in the E-30 and 645Z.

As you can tell, each of these cameras offer different megapixel count and different sensor measurements. The E-30 featuring a tinier sensor is going to make achieving shallow depth of field more challenging and the Pentax 645Z will deliver greater detail having its extra 39 Megapixels. Higher resolution will also allow you to crop photographs a little more aggressively. The older E-30 is going to be disadvantaged in sensor innovation.