Nikon S3100 vs Pentax K-5

Here is a comprehensive analysis of the Nikon S3100 and Pentax K-5, former being a Ultracompact while the other is a Advanced DSLR by competitors Nikon and Pentax. The image resolution of the S3100 (14MP) and the K-5 (16MP) is very similar but the S3100 (1/2.3") and K-5 (APS-C) have different sensor measurements.

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The S3100 was brought out 2 months later than the K-5 which means that they are both of a similar age. Both of these cameras have different body design with the Nikon S3100 being a Ultracompact camera and the Pentax K-5 being a Mid-size SLR camera.

Before going right into a complete comparison, here is a concise highlight of how the S3100 grades vs the K-5 in relation to portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Nikon Coolpix S3100 & Pentax K-5. The entire galleries are viewable at Nikon S3100 Gallery & Pentax K-5 Gallery.

If you are planning to carry your camera often, you need to take into account its weight and size. The Nikon S3100 features external dimensions of 94mm x 58mm x 18mm (3.7" x 2.3" x 0.7") having a weight of 118 grams (0.26 lbs) while the Pentax K-5 has specifications of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") having a weight of 740 grams (1.63 lbs).

Examine the Nikon S3100 and Pentax K-5 in our completely new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will change dependant on the lens you are working with at that time. Underneath is a front view measurements comparison of the S3100 versus the K-5.

Taking into consideration size and weight, the portability grade of the S3100 and K-5 is 96 and 60 respectively.

Often, it can be difficult to imagine the difference between sensor sizing only by going over specifications. The photograph here might give you a greater sense of the sensor sizes in the S3100 and K-5.

Plainly, both of the cameras provide different megapixels and different sensor sizing. The S3100 due to its tinier sensor is going to make achieving shallow DOF trickier and the Pentax K-5 will offer you more detail having its extra 2MP. Greater resolution can also help you crop pics more aggressively.