Olympus FE-4000 vs Pentax 645D

Below, we will be matching up the Olympus FE-4000 vs Pentax 645D, one being a Small Sensor Compact and the latter is a Pro DSLR by companies Olympus and Pentax. There is a big difference between the image resolutions of the FE-4000 (12MP) and 645D (40MP) and the FE-4000 (1/2.3") and 645D (Medium format) use different sensor dimensions.

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The FE-4000 was launched 7 months prior to the 645D so they are both of a similar generation. Both the cameras come with different body type with the Olympus FE-4000 being a Compact camera and the Pentax 645D being a Large SLR camera.

Before diving straight into a in-depth comparison, below is a simple highlight of how the FE-4000 scores versus the 645D in the way of portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Olympus FE-4000 and Pentax 645D. The complete galleries are provided at Olympus FE-4000 Gallery and Pentax 645D Gallery.

For those who are going to carry your camera regularly, you need to factor its weight and dimensions. The Olympus FE-4000 provides outside dimensions of 95mm x 57mm x 22mm (3.7" x 2.2" x 0.9") along with a weight of 136 grams (0.30 lbs) while 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 the Olympus FE-4000 vs Pentax 645D in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are using at that moment. Below is the front view dimension comparison of the FE-4000 compared to the 645D.

Considering size and weight, the portability grade of the FE-4000 and 645D is 95 and 50 respectively.

Usually, it is very tough to imagine the contrast between sensor sizing only by reviewing specs. The visual here will offer you a far better sense of the sensor dimensions in the FE-4000 and 645D.

All in all, both of these cameras posses different resolutions and different sensor sizing. The FE-4000 due to its tinier sensor is going to make shooting shallow depth of field harder and the Pentax 645D will deliver more detail utilizing its extra 28 Megapixels. Higher resolution will help you crop shots somewhat more aggressively. The older FE-4000 is going to be behind in sensor tech.