Pentax WG-3 GPS vs Ricoh GR III

Below is a detailed overview of the Pentax WG-3 GPS and Ricoh GR III, former being a Waterproof while the other is a Large Sensor Compact by competitors Pentax and Ricoh. There is a sizable difference among the sensor resolutions of the WG-3 GPS (16MP) and GR III (24MP) and the WG-3 GPS (1/2.3") and GR III (APS-C) provide different sensor measurements.

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The WG-3 GPS was launched 6 years before the GR III and that is a fairly significant difference as far as camera tech is concerned. Each of these cameras have different body design with the Pentax WG-3 GPS being a Compact camera and the Ricoh GR III being a Large Sensor Compact camera.

Before going right into a complete comparison, here is a simple summary of how the WG-3 GPS grades against the GR III with regards to portability, imaging, features and an overall grade.

Here is a sample of the gallery pics for Pentax WG-3 GPS & Ricoh GR III. The complete galleries are provided at Pentax WG-3 GPS Gallery & Ricoh GR III Gallery.

For anybody who is intending to lug around your camera often, you have to factor its weight and dimensions. The Pentax WG-3 GPS provides outside measurements of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 238 grams (0.52 lbs) whilst the Ricoh GR III has dimensions of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") accompanied by a weight of 257 grams (0.57 lbs).

Examine the Pentax WG-3 GPS and Ricoh GR III in our completely new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ depending on the lens you choose during that time. Underneath is a front view scale comparison of the WG-3 GPS versus the GR III.

Using size and weight, the portability grade of the WG-3 GPS and GR III is 90 and 90 respectively.

Oftentimes, it is difficult to picture the difference in sensor measurements purely by checking out a spec sheet. The graphic underneath may provide you a stronger sense of the sensor sizing in the WG-3 GPS and GR III.

Clearly, the 2 cameras have different megapixels and different sensor measurements. The WG-3 GPS because of its smaller sensor is going to make shooting shallower depth of field tougher and the Ricoh GR III will produce more detail utilizing its extra 8 Megapixels. Greater resolution will let you crop pics a bit more aggressively. The older WG-3 GPS will be behind when it comes to sensor technology.