Nikon D810A vs Pentax K-3

Let's look more closely at the Nikon D810A and Pentax K-3, both Advanced DSLR cameras by manufacturers Nikon and Pentax. There is a large difference among the sensor resolutions of the D810A (36MP) and K-3 (24MP) and the D810A (Full frame) and K-3 (APS-C) have different sensor sizing.

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The D810A was unveiled 11 months after the K-3 and they are of a similar age. Each of the cameras feature the same body design (Mid-size SLR).

Before delving into a full comparison, here is a simple overview of how the D810A scores against the K-3 when it comes to portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Nikon D810A & Pentax K-3. The full galleries are available at Nikon D810A Gallery & Pentax K-3 Gallery.

In case you're intending to travel with your camera often, you're going to have to factor its weight and dimensions. The Nikon D810A has outer dimensions of 146mm x 123mm x 82mm (5.7" x 4.8" x 3.2") having a weight of 880 grams (1.94 lbs) and the Pentax K-3 has dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs).

See the Nikon D810A and Pentax K-3 in our newest Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary dependant on the lens you choose at that moment. Underneath is a front view scale comparison of the D810A versus the K-3.

Using size and weight, the portability score of the D810A and K-3 is 55 and 59 respectively.

Usually, it is very tough to picture the gap in sensor dimensions merely by checking out specs. The pic below may offer you a more clear sense of the sensor sizes in the D810A and K-3.

As you can plainly see, each of these cameras feature different megapixel count and different sensor dimensions. The D810A having a bigger sensor is going to make achieving shallow depth of field less difficult and the Nikon D810A will show greater detail having an extra 12 Megapixels. Higher resolution will also help you crop shots way more aggressively. The newer D810A should have an advantage when it comes to sensor tech.