Olympus E-510 vs Pentax 645D

Here, we are contrasting the Olympus E-510 versus Pentax 645D, former being a Advanced DSLR while the other is a Pro DSLR by companies Olympus and Pentax. There is a considerable difference between the image resolutions of the E-510 (10MP) and 645D (40MP) and the E-510 (Four Thirds) and 645D (Medium format) posses different sensor measurements.

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The E-510 was released 3 years earlier than the 645D and that is quite a large difference as far as tech is concerned. Each of the cameras feature different body design with the Olympus E-510 being a Mid-size SLR camera and the Pentax 645D being a Large SLR camera.

Before diving right into a in depth comparison, here is a concise overview of how the E-510 scores against the 645D with regards to portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Olympus E-510 & Pentax 645D. The complete galleries are available at Olympus E-510 Gallery & Pentax 645D Gallery.

In case you're looking to carry your camera often, you're going to have to take into account its weight and size. The Olympus E-510 has got external dimensions of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") with a weight of 490 grams (1.08 lbs) while the Pentax 645D has specifications of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs).

See the Olympus E-510 versus Pentax 645D in our brand new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary depending on the lens you are utilising during that time. The following is a front view overall size comparison of the E-510 and the 645D.

Factoring in size and weight, the portability grade of the E-510 and 645D is 69 and 50 respectively.

Generally, it can be hard to imagine the contrast between sensor sizing just by going over technical specs. The photograph below will help offer you a stronger sense of the sensor dimensions in the E-510 and 645D.

As you have seen, the two cameras feature different megapixels and different sensor sizing. The E-510 because of its tinier sensor is going to make achieving bokeh trickier and the Pentax 645D will offer you greater detail as a result of its extra 30 Megapixels. Greater resolution will allow you to crop photos way more aggressively. The older E-510 is going to be disadvantaged in sensor tech.