Nikon D810 vs Pentax K-3

Below is a extensive analysis of the Nikon D810 and Pentax K-3, both Advanced DSLR digital cameras by manufacturers Nikon and Pentax. There is a substantial difference between the resolutions of the D810 (36MP) and K-3 (24MP) and the D810 (Full frame) and K-3 (APS-C) come with different sensor size.

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The D810 was launched 3 months later than the K-3 and they are both of a similar age. Each of these cameras offer the identical body type (Mid-size SLR).

Before getting through a complete comparison, below is a simple overview of how the D810 grades against the K-3 with respect to portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Nikon D810 & Pentax K-3. The complete galleries are provided at Nikon D810 Gallery & Pentax K-3 Gallery.

If you're intending to lug around your camera frequently, you'll have to factor its weight and volume. The Nikon D810 provides outside measurements of 146mm x 123mm x 82mm (5.7" x 4.8" x 3.2") having a weight of 980 grams (2.16 lbs) and the Pentax K-3 has sizing of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs).

See the Nikon D810 and Pentax K-3 in our brand new Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will vary depending on the lens you are utilizing at that time. The following is the front view size comparison of the D810 compared to the K-3.

Factoring in size and weight, the portability grade of the D810 and K-3 is 54 and 59 respectively.

Generally, its tough to imagine the gap between sensor measurements simply by reading through specs. The graphic underneath may provide you a much better sense of the sensor sizing in the D810 and K-3.

All in all, both cameras enjoy different megapixels and different sensor measurements. The D810 featuring a bigger sensor is going to make getting shallow DOF simpler and the Nikon D810 will give you extra detail utilizing its extra 12MP. Higher resolution will also let you crop shots far more aggressively.