Sony a1 vs Sony A55

Below, we are evaluating the Sony a1 vs Sony A55, former being a Pro Mirrorless while the other is a Entry-Level DSLR and they are both produced by Sony. There is a considerable difference among the resolutions of the a1 (50MP) and A55 (16MP) and the a1 (Full frame) and A55 (APS-C) enjoy different sensor size.

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The a1 was released 10 years later than the A55 and that is a fairly large difference as far as camera tech is concerned. The two cameras come with different body type with the Sony a1 being a SLR-style mirrorless camera and the Sony A55 being a Compact SLR camera.

Before we go straight into a more detailed comparison, below is a simple introduction of how the a1 matches up versus the A55 when considering portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Sony Alpha a1 & Sony SLT-A55. The complete galleries are available at Sony a1 Gallery & Sony A55 Gallery.

When you are looking to carry your camera often, you have to think about its weight and volume. The Sony a1 enjoys external measurements of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") accompanied by a weight of 737 grams (1.62 lbs) whilst the Sony A55 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

See the Sony a1 vs Sony A55 in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ based on the lens you use at the time. Underneath is the front view overall size comparison of the a1 versus the A55.

Taking into consideration size and weight, the portability grade of the a1 and A55 is 61 and 67 respectively.

Usually, it is very difficult to picture the gap in sensor sizing purely by going through a spec sheet. The visual underneath will provide you a better sense of the sensor sizing in the a1 and A55.

As you can see, both of these cameras have got different resolutions and different sensor sizing. The a1 featuring a larger sensor is going to make getting shallow depth of field less difficult and the Sony a1 will produce greater detail as a result of its extra 34MP. Greater resolution will also enable you to crop photos much more aggressively. The younger a1 provides an advantage with regard to sensor technology.