Pentax K-01 vs Sony A850

Its time to look a little more closely at the Pentax K-01 vs Sony A850, one being a Entry-Level Mirrorless and the other is a Advanced DSLR by companies Pentax and Sony. There is a significant difference between the image resolutions of the K-01 (16MP) and A850 (25MP) and the K-01 (APS-C) and A850 (Full frame) offer different sensor dimensions.

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The K-01 was unveiled 2 years later than the A850 and that is quite a sizable gap as far as tech is concerned. Each of the cameras feature different body design with the Pentax K-01 being a SLR-style mirrorless camera and the Sony A850 being a Mid-size SLR camera.

Before diving straight to a comprehensive comparison, here is a simple summation of how the K-01 matches up against the A850 for portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Pentax K-01 and Sony Alpha DSLR-A850. The full galleries are available at Pentax K-01 Gallery and Sony A850 Gallery.

If you're looking to carry your camera often, you are going to need to factor in its weight and proportions. The Pentax K-01 has got physical dimensions of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") having a weight of 561 grams (1.24 lbs) and the Sony A850 has measurements of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") having a weight of 895 grams (1.97 lbs).

Compare the Pentax K-01 vs Sony A850 in the all new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at that moment. Below is a front view dimension comparison of the K-01 compared to the A850.

Using size and weight, the portability rating of the K-01 and A850 is 76 and 54 respectively.

In many cases, it can be hard to picture the gap between sensor sizing purely by reading specs. The graphic here may offer you a clearer sense of the sensor sizes in the K-01 and A850.

As you can plainly see, both of the cameras feature different megapixels and different sensor sizing. The K-01 having a tinier sensor is going to make getting shallower DOF harder and the Sony A850 will offer you greater detail having an extra 9MP. Greater resolution can also allow you to crop images way more aggressively. The younger K-01 should have an advantage in sensor tech.