Pentax WG-3 vs Sony A77

Its time to take a deeper look at the Pentax WG-3 versus Sony A77, former is a Waterproof while the latter is a Advanced DSLR by rivals Pentax and Sony. There is a substantial difference among the resolutions of the WG-3 (16MP) and A77 (24MP) and the WG-3 (1/2.3") and A77 (APS-C) enjoy different sensor size.

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The WG-3 was announced 22 months after the A77 which makes the cameras a generation away from each other. Both cameras offer different body type with the Pentax WG-3 being a Compact camera and the Sony A77 being a Mid-size SLR camera.

Before getting straight into a in-depth comparison, below is a brief summation of how the WG-3 scores vs the A77 with respect to portability, imaging, features and an overall score.

The following is a preview of the gallery images for Pentax WG-3 & Sony SLT-A77. The whole galleries are available at Pentax WG-3 Gallery & Sony A77 Gallery.

For those who are going to carry around your camera, you have to factor in its weight and size. The Pentax WG-3 features outside measurements of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") along with a weight of 230 grams (0.51 lbs) while the Sony A77 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 732 grams (1.61 lbs).

Take a look at the Pentax WG-3 versus Sony A77 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 are working with at that time. Underneath is the front view dimension comparison of the WG-3 and the A77.

Using size and weight, the portability score of the WG-3 and A77 is 90 and 59 respectively.

Generally, its difficult to visualize the difference in sensor sizes only by checking out specs. The picture underneath should provide you a far better sense of the sensor measurements in the WG-3 and A77.

As you can plainly see, each of these cameras offer different megapixels and different sensor sizes. The WG-3 having a smaller sensor is going to make shooting shallow DOF more challenging and the Sony A77 will provide more detail with its extra 8 Megapixels. Higher resolution will also let you crop shots a little more aggressively. The more modern WG-3 provides a benefit with regard to sensor innovation.