Sony A7R vs Sony A100

In this article, we will be reviewing the Sony A7R vs Sony A100, former is a Pro Mirrorless while the latter is a Entry-Level DSLR and they are both designed by Sony. There is a noticeable difference among the image resolutions of the A7R (36MP) and A100 (10MP) and the A7R (Full frame) and A100 (APS-C) use different sensor measurements.

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The A7R was brought out 7 years after the A100 which is a fairly sizable difference as far as camera tech is concerned. Both of the cameras offer different body type with the Sony A7R being a SLR-style mirrorless camera and the Sony A100 being a Compact SLR camera.

Before we go in to a complete comparison, below is a simple highlight of how the A7R scores against the A100 in relation to portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Sony Alpha A7R & Sony Alpha DSLR-A100. The entire galleries are available at Sony A7R Gallery & Sony A100 Gallery.

In case you're looking to carry around your camera regularly, you're going to have to factor in its weight and proportions. The Sony A7R provides exterior dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") with a weight of 465 grams (1.03 lbs) and the Sony A100 has measurements of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") accompanied by a weight of 638 grams (1.41 lbs).

See the Sony A7R vs Sony A100 in our completely new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change dependant on the lens you use at that time. Here is the front view dimension comparison of the A7R and the A100.

Factoring in size and weight, the portability rating of the A7R and A100 is 78 and 64 respectively.

Usually, its tough to visualize the gap in sensor sizes purely by seeing technical specs. The picture here might give you a greater sense of the sensor sizes in the A7R and A100.

As you can tell, both of those cameras offer different resolutions and different sensor sizes. The A7R because of its bigger sensor is going to make getting shallow depth of field simpler and the Sony A7R will provide extra detail having its extra 26MP. Higher resolution will also help you crop shots a little more aggressively. The more modern A7R provides a benefit with regard to sensor innovation.