OM System OM-5 vs Sigma fp

Following is a in-depth assessment of the OM System OM-5 vs Sigma fp, both Advanced Mirrorless cameras by brands Olympus and Sigma. The image resolution of the OM System OM-5 (20MP) and the fp (25MP) is fairly close but the OM System OM-5 (Four Thirds) and fp (Full frame) offer totally different sensor size.

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The OM System OM-5 was launched 3 years after the fp which is a fairly serious gap as far as camera tech is concerned. Each of these cameras have different body design with the OM System OM-5 being a SLR-style mirrorless camera and the Sigma fp being a Rangefinder-style mirrorless camera.

Before delving into a full comparison, here is a short summation of how the OM System OM-5 matches up against the fp in terms of portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for OM System OM-5 and Sigma fp. The complete galleries are viewable at OM System OM-5 Gallery and Sigma fp Gallery.

If you are aiming to carry around your camera frequently, you will have to factor its weight and measurements. The OM System OM-5 offers exterior dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") along with a weight of 414 grams (0.91 lbs) and the Sigma fp has proportions of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") having a weight of 422 grams (0.93 lbs).

See the OM System OM-5 vs Sigma fp in the new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilising at that time. The following is a front view proportions comparison of the OM System OM-5 compared to the fp.

Looking at size and weight, the portability score of the OM System OM-5 and fp is 80 and 84 respectively.

Generally, it is very tough to envision the gap in sensor sizes just by looking through technical specs. The picture below should offer you a better sense of the sensor dimensions in the OM System OM-5 and fp.

As you can tell, both of these cameras provide different resolutions and different sensor sizes. The OM System OM-5 because of its smaller sensor will make achieving shallower depth of field trickier and the Sigma fp will provide you with more detail utilizing its extra 5 Megapixels. Greater resolution can also make it easier to crop pics more aggressively. The more recent OM System OM-5 is going to have a benefit with regard to sensor technology.