Sigma SD15 vs Sigma fp

Its time to take a deeper look at the Sigma SD15 and Sigma fp, one being a Advanced DSLR and the latter is a Advanced Mirrorless and they are both produced by Sigma. There is a significant difference among the image resolutions of the SD15 (5MP) and fp (25MP) and the SD15 (APS-C) and fp (Full frame) feature totally different sensor measurements.

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The SD15 was announced 10 years prior to the fp and that is a fairly sizable gap as far as camera tech is concerned. Both the cameras offer different body type with the Sigma SD15 being a Mid-size SLR camera and the Sigma fp being a Rangefinder-style mirrorless camera.

Before diving through a more detailed comparison, below is a brief summation of how the SD15 scores vs the fp when considering portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Sigma SD15 and Sigma fp. The whole galleries are viewable at Sigma SD15 Gallery and Sigma fp Gallery.

If you are going to carry your camera, you will need to think about its weight and proportions. The Sigma SD15 has outer dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs) and the Sigma fp has measurements of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") having a weight of 422 grams (0.93 lbs).

Take a look at the Sigma SD15 and Sigma fp in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at the time. Below is the front view size comparison of the SD15 and the fp.

Considering size and weight, the portability rating of the SD15 and fp is 59 and 84 respectively.

Often, it is very hard to envision the difference in sensor sizing merely by seeing a spec sheet. The photograph underneath will offer you a much better sense of the sensor sizes in the SD15 and fp.

Clearly, both of the cameras enjoy different megapixels and different sensor sizing. The SD15 having a smaller sensor will make getting shallower DOF trickier and the Sigma fp will provide greater detail with its extra 20MP. Higher resolution will also allow you to crop shots far more aggressively. The older SD15 will be disadvantaged with regard to sensor technology.