Nikon D810A vs Pentax K-7

In this article, we are analyzing the Nikon D810A and Pentax K-7, both Advanced DSLR cameras by brands Nikon and Pentax. There is a noticeable difference among the sensor resolutions of the D810A (36MP) and K-7 (15MP) and the D810A (Full frame) and K-7 (APS-C) use different sensor size.

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The D810A was revealed 5 years after the K-7 which is a fairly sizable difference as far as camera tech is concerned. Both of these cameras offer the identical body type (Mid-size SLR).

Before getting straight into a full comparison, below is a brief view of how the D810A scores against the K-7 in the way of portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Nikon D810A & Pentax K-7. The full galleries are available at Nikon D810A Gallery & Pentax K-7 Gallery.

For those who are going to travel with your camera frequently, you should consider its weight and volume. The Nikon D810A has got physical dimensions of 146mm x 123mm x 82mm (5.7" x 4.8" x 3.2") with a weight of 880 grams (1.94 lbs) and the Pentax K-7 has sizing of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 750 grams (1.65 lbs).

Look at the Nikon D810A and Pentax K-7 in our completely new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ dependant on the lens you have attached at that moment. The following is the front view physical size comparison of the D810A versus the K-7.

Looking at size and weight, the portability rating of the D810A and K-7 is 55 and 60 respectively.

Generally, it can be tough to imagine the difference in sensor dimensions just by going through technical specs. The image below will provide you a clearer sense of the sensor dimensions in the D810A and K-7.

As you have seen, both the cameras enjoy different megapixels and different sensor dimensions. The D810A with its larger sensor is going to make shooting shallower depth of field less difficult and the Nikon D810A will provide greater detail because of its extra 21MP. Greater resolution can also allow you to crop pics far more aggressively. The more recent D810A provides an advantage in sensor technology.