Sigma fp vs Sony A33

Lets look a bit more closely at the Sigma fp and Sony A33, one is a Advanced Mirrorless and the latter is a Entry-Level DSLR by rivals Sigma and Sony. There is a significant difference between the image resolutions of the fp (25MP) and A33 (14MP) and the fp (Full frame) and A33 (APS-C) provide different sensor dimensions.

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The fp was introduced 9 years after the A33 which is quite a sizable gap as far as tech is concerned. The two cameras have different body design with the Sigma fp being a Rangefinder-style mirrorless camera and the Sony A33 being a Compact SLR camera.

Before getting right into a complete comparison, here is a brief overview of how the fp grades vs the A33 when considering portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Sigma fp and Sony SLT-A33. The whole galleries are provided at Sigma fp Gallery and Sony A33 Gallery.

For those who are intending to carry around your camera regularly, you will have to factor its weight and size. The Sigma fp comes with outside measurements of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") accompanied by a weight of 422 grams (0.93 lbs) while the Sony A33 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

Analyze the Sigma fp and Sony A33 in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change based on the lens you choose at the time. Following is a front view physical size comparison of the fp vs the A33.

Considering size and weight, the portability score of the fp and A33 is 84 and 67 respectively.

Oftentimes, it's difficult to visualize the difference between sensor sizes just by reviewing specs. The pic underneath might offer you a far better sense of the sensor sizing in the fp and A33.

As you can plainly see, the 2 cameras have different megapixels and different sensor sizes. The fp using its bigger sensor is going to make achieving shallower depth of field easier and the Sigma fp will deliver greater detail using its extra 11MP. Higher resolution will also enable you to crop shots a bit more aggressively. The more modern fp should have an edge with regard to sensor technology.