Sony A7 vs Sony A33

On this page, we are contrasting the Sony A7 vs Sony A33, one is a Pro Mirrorless and the other is a Entry-Level DSLR and both of them are produced by Sony. There is a crucial difference between the image resolutions of the A7 (24MP) and A33 (14MP) and the A7 (Full frame) and A33 (APS-C) posses different sensor size.

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The A7 was manufactured 3 years after the A33 which is quite a serious gap as far as tech is concerned. Both of the cameras have different body design with the Sony A7 being a SLR-style mirrorless camera and the Sony A33 being a Compact SLR camera.

Before delving straight to a more detailed comparison, here is a concise summary of how the A7 grades vs the A33 in relation to portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Sony Alpha A7 and Sony SLT-A33. The entire galleries are available at Sony A7 Gallery and Sony A33 Gallery.

For anybody who is intending to travel with your camera often, you will need to think about its weight and dimensions. The Sony A7 has exterior measurements of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") and a weight of 474 grams (1.04 lbs) whilst the Sony A33 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).

See the Sony A7 vs Sony A33 in the all new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilising at that time. Following is a front view size comparison of the A7 vs the A33.

Factoring in size and weight, the portability score of the A7 and A33 is 78 and 67 respectively.

Usually, it is very hard to imagine the contrast between sensor dimensions simply by checking technical specs. The pic here might offer you a better sense of the sensor sizing in the A7 and A33.

As you can tell, both cameras have different resolutions and different sensor dimensions. The A7 due to its larger sensor is going to make shooting shallow DOF easier and the Sony A7 will give extra detail due to its extra 10MP. Greater resolution can also help you crop pics a bit more aggressively. The fresher A7 should have an advantage in sensor innovation.