Panasonic ZS45 vs Sony A100

On this page, we are evaluating the Panasonic ZS45 and Sony A100, one is a Small Sensor Superzoom and the other is a Entry-Level DSLR by brands Panasonic and Sony. There is a significant difference between the image resolutions of the ZS45 (16MP) and A100 (10MP) and the ZS45 (1/2.3") and A100 (APS-C) have different sensor sizing.

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The ZS45 was revealed 8 years after the A100 which is quite a sizable gap as far as tech is concerned. Both the cameras have different body design with the Panasonic ZS45 being a Compact camera and the Sony A100 being a Compact SLR camera.

Before getting straight to a step-by-step comparison, here is a concise highlight of how the ZS45 scores vs the A100 in the way of portability, imaging, features and an overall score.

Below is a sample of the gallery pictures for Panasonic Lumix DMC-ZS45 and Sony Alpha DSLR-A100. The full galleries are provided at Panasonic ZS45 Gallery and Sony A100 Gallery.

If you are looking to carry around your camera, you should factor its weight and dimensions. The Panasonic ZS45 comes with exterior measurements of 108mm x 60mm x 32mm (4.3" x 2.4" x 1.3") with a weight of 249 grams (0.55 lbs) while the Sony A100 has dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") along with a weight of 638 grams (1.41 lbs).

Analyze the Panasonic ZS45 and Sony A100 in the all new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with at that moment. Below is a front view over all size comparison of the ZS45 versus the A100.

Taking into consideration size and weight, the portability score of the ZS45 and A100 is 91 and 64 respectively.

Generally, it is tough to picture the difference between sensor sizes purely by reviewing technical specs. The image underneath might provide you a much better sense of the sensor measurements in the ZS45 and A100.

As you can tell, both cameras have different resolutions and different sensor sizes. The ZS45 with its tinier sensor is going to make shooting shallow DOF more challenging and the Panasonic ZS45 will offer more detail because of its extra 6 Megapixels. Greater resolution will also help you crop images a bit more aggressively. The more modern ZS45 should have an advantage with regard to sensor technology.