Pentax VS20 vs Sony A900

Here is a thorough analysis of the Pentax VS20 and Sony A900, former being a Small Sensor Superzoom while the other is a Advanced DSLR by brands Pentax and Sony. There is a substantial difference between the sensor resolutions of the VS20 (16MP) and A900 (25MP) and the VS20 (1/2.3") and A900 (Full frame) use totally different sensor size.

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The VS20 was revealed 3 years later than the A900 and that is quite a big difference as far as tech is concerned. Each of these cameras come with different body type with the Pentax VS20 being a Compact camera and the Sony A900 being a Mid-size SLR camera.

Before going in to a more detailed comparison, below is a brief introduction of how the VS20 grades vs the A900 in terms of portability, imaging, features and an overall rating.

The following is a sample of the gallery pics for Pentax Optio VS20 & Sony Alpha DSLR-A900. The full galleries are available at Pentax VS20 Gallery & Sony A900 Gallery.

For anyone who is looking to carry your camera frequently, you're going to have to factor its weight and dimensions. The Pentax VS20 comes with outer measurements of 111mm x 61mm x 38mm (4.4" x 2.4" x 1.5") along with a weight of 235 grams (0.52 lbs) and the Sony A900 has dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") having a weight of 895 grams (1.97 lbs).

Examine the Pentax VS20 and Sony A900 in our newest Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary depending on the lens you are working with at that time. The following is the front view dimensions comparison of the VS20 against the A900.

Using size and weight, the portability rating of the VS20 and A900 is 90 and 54 respectively.

Generally, it is tough to see the gap between sensor sizing purely by going over specifications. The graphic below will provide you a greater sense of the sensor sizing in the VS20 and A900.

To sum up, both of the cameras posses different megapixels and different sensor sizing. The VS20 using its tinier sensor will make getting shallow depth of field more difficult and the Sony A900 will offer greater detail because of its extra 9MP. Greater resolution will also allow you to crop photos somewhat more aggressively. The newer VS20 is going to have a benefit when it comes to sensor technology.