Nikon S4000 vs Pentax 645D

Below, we are reviewing the Nikon S4000 vs Pentax 645D, one is a Ultracompact and the other is a Pro DSLR by competitors Nikon and Pentax. There is a crucial difference among the image resolutions of the S4000 (12MP) and 645D (40MP) and the S4000 (1/2.3") and 645D (Medium format) possess totally different sensor dimensions.

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The S4000 was revealed very close to the 645D so they are of a similar generation. The two cameras come with different body type with the Nikon S4000 being a Ultracompact camera and the Pentax 645D being a Large SLR camera.

Before we go through a detailed comparison, below is a quick overview of how the S4000 scores against the 645D with regard to portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Nikon Coolpix S4000 and Pentax 645D. The full galleries are available at Nikon S4000 Gallery and Pentax 645D Gallery.

For anyone who is intending to travel with your camera regularly, you'll have to consider its weight and proportions. The Nikon S4000 has got outer measurements of 95mm x 57mm x 20mm (3.7" x 2.2" x 0.8") accompanied by a weight of 131 grams (0.29 lbs) and the Pentax 645D has measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs).

Check out the Nikon S4000 vs Pentax 645D in the all new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that moment. Underneath is the front view dimension comparison of the S4000 compared to the 645D.

Factoring in size and weight, the portability score of the S4000 and 645D is 96 and 50 respectively.

Often, its hard to envision the gap in sensor dimensions merely by seeing specs. The image here will help provide you a better sense of the sensor sizing in the S4000 and 645D.

As you can plainly see, each of the cameras have got different resolutions and different sensor dimensions. The S4000 having a smaller sensor will make shooting shallower depth of field more challenging and the Pentax 645D will provide greater detail because of its extra 28MP. Greater resolution can also let you crop photos much more aggressively.