Nikon S70 vs Pentax 645D

Below is a detailed overview of the Nikon S70 and Pentax 645D, former being a Ultracompact while the other is a Pro DSLR by rivals Nikon and Pentax. There is a substantial difference among the resolutions of the S70 (12MP) and 645D (40MP) and the S70 (1/2.3") and 645D (Medium format) offer different sensor sizing.

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The S70 was announced 7 months before the 645D so they are both of a similar age. Each of the cameras have different body design with the Nikon S70 being a Ultracompact camera and the Pentax 645D being a Large SLR camera.

Before diving right into a thorough comparison, here is a brief overview of how the S70 grades vs the 645D in relation to portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Nikon Coolpix S70 & Pentax 645D. The whole galleries are viewable at Nikon S70 Gallery & Pentax 645D Gallery.

If you are going to lug around your camera regularly, you should factor its weight and size. The Nikon S70 features outside dimensions of 97mm x 61mm x 20mm (3.8" x 2.4" x 0.8") along with a weight of 160 grams (0.35 lbs) while the Pentax 645D has specifications of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs).

See the Nikon S70 and Pentax 645D in our completely new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary dependant on the lens you choose during that time. Following is a front view measurement comparison of the S70 against the 645D.

Using size and weight, the portability grade of the S70 and 645D is 95 and 50 respectively.

Often, it is very difficult to visualize the difference in sensor measurements purely by researching a spec sheet. The visual below may offer you a better sense of the sensor sizes in the S70 and 645D.

As you can see, the two cameras have different resolutions and different sensor measurements. The S70 using its smaller sensor is going to make shooting shallower DOF more difficult and the Pentax 645D will render extra detail with its extra 28MP. Greater resolution will also allow you to crop photos a bit more aggressively. The older S70 will be behind when it comes to sensor innovation.