Olympus 1 vs Pentax 645Z

Let's look more closely at the Olympus 1 vs Pentax 645Z, former is a Small Sensor Superzoom while the latter is a Pro DSLR by rivals Olympus and Pentax. There exists a considerable gap between the image resolutions of the 1 (12MP) and 645Z (51MP) and the 1 (1/1.7") and 645Z (Medium format) feature totally different sensor sizes.

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The 1 was introduced 4 months before the 645Z so they are of a similar age. Each of the cameras come with different body type with the Olympus 1 being a SLR-like (bridge) camera and the Pentax 645Z being a Large SLR camera.

Before diving straight into a thorough comparison, below is a brief view of how the 1 matches up against the 645Z in the way of portability, imaging, features and an overall score.

Following is a preview of the gallery images for Olympus Stylus 1 & Pentax 645Z. The whole galleries are provided at Olympus 1 Gallery & Pentax 645Z Gallery.

In case you're aiming to carry around your camera, you will have to consider its weight and proportions. The Olympus 1 provides outer measurements of 116mm x 87mm x 57mm (4.6" x 3.4" x 2.2") and a weight of 402 grams (0.89 lbs) and the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs).

Analyze the Olympus 1 vs Pentax 645Z in our newest Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you have attached at the time. Below is the front view overall size comparison of the 1 compared to the 645Z.

Taking into consideration dimensions and weight, the portability rating of the 1 and 645Z is 79 and 49 respectively.

Quite often, its hard to visualise the difference between sensor sizes only by reviewing a spec sheet. The pic below should offer you a greater sense of the sensor measurements in the 1 and 645Z.

As you can see, each of these cameras have got different resolutions and different sensor sizes. The 1 using its tinier sensor will make achieving shallow DOF more challenging and the Pentax 645Z will deliver extra detail using its extra 39 Megapixels. Higher resolution will allow you to crop shots much more aggressively.