Pentax WG-1 vs Sony A7R IV

Below is a extended analysis of the Pentax WG-1 versus Sony A7R IV, one being a Waterproof and the latter is a Pro Mirrorless by competitors Pentax and Sony. There is a huge difference between the sensor resolutions of the WG-1 (14MP) and A7R IV (61MP) and the WG-1 (1/2.3") and A7R IV (Full frame) use totally different sensor sizes.

Photography Glossary

The WG-1 was introduced 9 years before the A7R IV and that is quite a significant gap as far as tech is concerned. Both the cameras come with different body type with the Pentax WG-1 being a Compact camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before delving in to a in-depth comparison, below is a concise highlight of how the WG-1 matches up versus the A7R IV in terms of portability, imaging, features and an overall grade.

This is a preview of the gallery photos for Pentax Optio WG-1 and Sony Alpha A7R IV. The whole galleries are available at Pentax WG-1 Gallery and Sony A7R IV Gallery.

When you are going to lug around your camera often, you will want to think about its weight and dimensions. The Pentax WG-1 has physical measurements of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") with a weight of 157 grams (0.35 lbs) and the Sony A7R IV has dimensions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") accompanied by a weight of 665 grams (1.47 lbs).

Check the Pentax WG-1 versus Sony A7R IV in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have during that time. Below is the front view measurements comparison of the WG-1 vs the A7R IV.

Considering size and weight, the portability score of the WG-1 and A7R IV is 93 and 62 respectively.

Usually, it is difficult to visualise the difference between sensor measurements simply by reading through technical specs. The graphic underneath will give you a better sense of the sensor measurements in the WG-1 and A7R IV.

As you can tell, both of the cameras have got different megapixel count and different sensor measurements. The WG-1 with its tinier sensor will make achieving shallow depth of field tougher and the Sony A7R IV will give greater detail using its extra 47MP. Higher resolution will enable you to crop shots much more aggressively. The older WG-1 is going to be behind with regard to sensor technology.