Pentax 645D vs Ricoh WG-30W

Here is a complete analysis of the Pentax 645D and Ricoh WG-30W, former being a Pro DSLR while the other is a Waterproof by companies Pentax and Ricoh. There is a substantial difference among the sensor resolutions of the 645D (40MP) and WG-30W (16MP) and the 645D (Medium format) and WG-30W (1/2.3") possess different sensor size.

Photography Glossary

The 645D was introduced 5 years before the WG-30W and that is a fairly big difference as far as camera tech is concerned. Both of these cameras come with different body type with the Pentax 645D being a Large SLR camera and the Ricoh WG-30W being a Compact camera.

Before getting in to a comprehensive comparison, below is a brief overview of how the 645D grades against the WG-30W when considering portability, imaging, features and an overall rating.

Following is a sample of the gallery pictures for Pentax 645D & Ricoh WG-30W. The whole galleries are available at Pentax 645D Gallery & Ricoh WG-30W Gallery.

In case you're intending to carry your camera frequently, you will have to factor its weight and proportions. The Pentax 645D features physical measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs) and the Ricoh WG-30W has measurements of 123mm x 62mm x 30mm (4.8" x 2.4" x 1.2") having a weight of 194 grams (0.43 lbs).

Examine the Pentax 645D and Ricoh WG-30W in our newest Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary depending on the lens you have chosen at that moment. Following is the front view proportions comparison of the 645D compared to the WG-30W.

Factoring in size and weight, the portability score of the 645D and WG-30W is 50 and 91 respectively.

In many cases, it is tough to visualize the gap in sensor sizing simply by viewing specifications. The graphic below might give you a far better sense of the sensor sizing in the 645D and WG-30W.

Plainly, both of those cameras have got different megapixel count and different sensor sizing. The 645D with its larger sensor is going to make achieving shallower DOF less difficult and the Pentax 645D will render extra detail using its extra 24MP. Greater resolution can also enable you to crop photos much more aggressively. The older 645D will be behind with regard to sensor innovation.