Olympus E-620 vs Pentax 645D

The following is a extensive analysis of the Olympus E-620 versus Pentax 645D, former is a Entry-Level DSLR while the other is a Pro DSLR by rivals Olympus and Pentax. There is a noticeable difference between the sensor resolutions of the E-620 (12MP) and 645D (40MP) and the E-620 (Four Thirds) and 645D (Medium format) feature different sensor measurements.

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The E-620 was announced 8 months earlier than the 645D and they are of a similar age. Both cameras come with different body type with the Olympus E-620 being a Compact SLR camera and the Pentax 645D being a Large SLR camera.

Before we go straight into a in depth comparison, below is a simple synopsis of how the E-620 grades versus the 645D with regards to portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Olympus E-620 & Pentax 645D. The whole galleries are provided at Olympus E-620 Gallery & Pentax 645D Gallery.

For anybody who is aiming to travel with your camera frequently, you are going to need to factor in its weight and dimensions. The Olympus E-620 features external measurements of 130mm x 94mm x 60mm (5.1" x 3.7" x 2.4") along with a weight of 500 grams (1.10 lbs) whilst the Pentax 645D has dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).

Check out the Olympus E-620 versus Pentax 645D in our newest Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ based on the lens you have at that time. Underneath is the front view scale comparison of the E-620 against the 645D.

Factoring in size and weight, the portability rating of the E-620 and 645D is 71 and 50 respectively.

Usually, it can be hard to imagine the difference between sensor dimensions just by reading through a spec sheet. The pic underneath should provide you a far better sense of the sensor measurements in the E-620 and 645D.

Clearly, both of these cameras have got different megapixel count and different sensor dimensions. The E-620 using its tinier sensor is going to make achieving shallower DOF harder and the Pentax 645D will give you extra detail with its extra 28MP. Greater resolution will let you crop images much more aggressively. The more aged E-620 is going to be disadvantaged with regard to sensor tech.