Sony A9 vs Sony A390

Below, we will be looking at the Sony A9 versus Sony A390, former being a Pro Mirrorless while the latter is a Entry-Level DSLR and both of them are sold by Sony. There is a noticeable difference between the resolutions of the A9 (24MP) and A390 (14MP) and the A9 (Full frame) and A390 (APS-C) feature totally different sensor size.

Photography Glossary

The A9 was launched 6 years later than the A390 and that is quite a sizable difference as far as tech is concerned. The two cameras come with different body type with the Sony A9 being a SLR-style mirrorless camera and the Sony A390 being a Compact SLR camera.

Before getting in to a thorough comparison, below is a simple view of how the A9 scores vs the A390 in the way of portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Sony Alpha A9 & Sony Alpha DSLR-A390. The complete galleries are viewable at Sony A9 Gallery & Sony A390 Gallery.

For anybody who is aiming to carry your camera frequently, you'll need to factor in its weight and measurements. The Sony A9 has got outer measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") with a weight of 673 grams (1.48 lbs) whilst the Sony A390 has proportions of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") having a weight of 549 grams (1.21 lbs).

Compare the Sony A9 versus Sony A390 in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ dependant on the lens you have chosen at the time. Following is the front view proportions comparison of the A9 against the A390.

Taking into account size and weight, the portability score of the A9 and A390 is 65 and 66 respectively.

Oftentimes, it's tough to envision the difference between sensor sizing only by reading specs. The graphic underneath might give you a greater sense of the sensor measurements in the A9 and A390.

As you can plainly see, the 2 cameras have got different resolutions and different sensor sizing. The A9 featuring a bigger sensor will make achieving shallower depth of field easier and the Sony A9 will deliver extra detail utilizing its extra 10 Megapixels. Higher resolution will help you crop photographs much more aggressively. The more modern A9 is going to have an advantage in sensor tech.