Olympus E-400 vs Pentax WG-3 GPS

Below is a in depth review of the Olympus E-400 vs Pentax WG-3 GPS, former being a Entry-Level DSLR while the latter is a Waterproof by rivals Olympus and Pentax. There is a large difference between the resolutions of the E-400 (10MP) and WG-3 GPS (16MP) and the E-400 (Four Thirds) and WG-3 GPS (1/2.3") provide totally different sensor measurements.

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The E-400 was released 7 years prior to the WG-3 GPS and that is quite a serious difference as far as tech is concerned. Each of these cameras have different body design with the Olympus E-400 being a Compact SLR camera and the Pentax WG-3 GPS being a Compact camera.

Before diving right into a thorough comparison, here is a brief view of how the E-400 matches up versus the WG-3 GPS with respect to portability, imaging, features and an overall grade.

Here is a preview of the gallery photos for Olympus E-400 & Pentax WG-3 GPS. The complete galleries are viewable at Olympus E-400 Gallery & Pentax WG-3 GPS Gallery.

For those who are looking to lug around your camera frequently, you're going to have to factor in its weight and measurements. The Olympus E-400 enjoys outer measurements of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") with a weight of 435 grams (0.96 lbs) while the Pentax WG-3 GPS has proportions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") along with a weight of 238 grams (0.52 lbs).

See the Olympus E-400 vs Pentax WG-3 GPS in our brand new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will vary depending on the lens you have attached during that time. Here is a front view proportions comparison of the E-400 compared to the WG-3 GPS.

Taking into account size and weight, the portability score of the E-400 and WG-3 GPS is 77 and 90 respectively.

Often, it can be tough to envision the contrast between sensor measurements only by reading through specs. The visual below may offer you a much better sense of the sensor measurements in the E-400 and WG-3 GPS.

As you can plainly see, both cameras provide different megapixel count and different sensor measurements. The E-400 due to its bigger sensor will make getting shallow DOF easier and the Pentax WG-3 GPS will give you more detail as a result of its extra 6MP. Higher resolution can also enable you to crop shots more aggressively. The older E-400 is going to be disadvantaged with regard to sensor technology.