Olympus 7040 vs Pentax 645Z

Its time to take a deeper look at the Olympus 7040 vs Pentax 645Z, one is a Small Sensor Compact and the other is a Pro DSLR by brands Olympus and Pentax. There is a sizeable difference among the sensor resolutions of the 7040 (14MP) and 645Z (51MP) and the 7040 (1/2.3") and 645Z (Medium format) offer different sensor sizes.

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The 7040 was brought out 5 years before the 645Z which is a fairly large gap as far as camera tech is concerned. Each of the cameras have different body design with the Olympus 7040 being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before delving straight to a detailed comparison, here is a concise view of how the 7040 matches up vs the 645Z with respect to portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Olympus Stylus 7040 and Pentax 645Z. The entire galleries are provided at Olympus 7040 Gallery and Pentax 645Z Gallery.

When you are intending to carry around your camera regularly, you will need to consider its weight and dimensions. The Olympus 7040 enjoys outside dimensions of 95mm x 56mm x 26mm (3.7" x 2.2" x 1.0") with a weight of 144 grams (0.32 lbs) while the Pentax 645Z has dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs).

Examine the Olympus 7040 vs Pentax 645Z in the latest Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilising at that time. Below is a front view dimensions comparison of the 7040 vs the 645Z.

Taking into consideration size and weight, the portability score of the 7040 and 645Z is 95 and 49 respectively.

Generally, it's difficult to picture the contrast in sensor sizes purely by looking through specifications. The image below will offer you a clearer sense of the sensor sizes in the 7040 and 645Z.

To sum up, both of these cameras have different megapixels and different sensor sizes. The 7040 because of its smaller sensor is going to make getting shallower depth of field harder and the Pentax 645Z will result in more detail having its extra 37 Megapixels. Greater resolution can also enable you to crop pics a bit more aggressively. The more aged 7040 will be disadvantaged with regard to sensor innovation.