Ricoh GXR GR Lens A12 28mm F2.5 vs Sigma Quattro

Following is a extensive review of the Ricoh GXR GR Lens A12 28mm F2.5 and Sigma Quattro, both Advanced Mirrorless cameras by companies Ricoh and Sigma. There is a considerable difference among the sensor resolutions of the GXR GR Lens A12 28mm F2.5 (12MP) and Quattro (29MP) but both cameras have the identical sensor sizes (APS-C).

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The GXR GR Lens A12 28mm F2.5 was introduced 6 years earlier than the Quattro which is a fairly large difference as far as camera tech is concerned. Each of the cameras feature the same body design (Rangefinder-style mirrorless).

Before getting right into a complete comparison, here is a simple overview of how the GXR GR Lens A12 28mm F2.5 scores vs the Quattro when it comes to portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Ricoh GXR GR Lens A12 28mm F2.5 & Sigma sd Quattro. The whole galleries are viewable at Ricoh GXR GR Lens A12 28mm F2.5 Gallery & Sigma Quattro Gallery.

If you're aiming to carry around your camera, you will need to think about its weight and proportions. The Ricoh GXR GR Lens A12 28mm F2.5 comes with external measurements of 113mm x 70mm x 56mm (4.4" x 2.8" x 2.2") having a weight of 140 grams (0.31 lbs) whilst the Sigma Quattro has measurements of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") and a weight of 625 grams (1.38 lbs).

Check the Ricoh GXR GR Lens A12 28mm F2.5 and Sigma Quattro in our brand new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will vary dependant on the lens you are using at that moment. The following is a front view scale comparison of the GXR GR Lens A12 28mm F2.5 compared to the Quattro.

Considering size and weight, the portability rating of the GXR GR Lens A12 28mm F2.5 and Quattro is 88 and 63 respectively.

Oftentimes, its hard to picture the contrast in sensor sizes purely by researching a spec sheet. The picture underneath will provide you a stronger sense of the sensor sizing in the GXR GR Lens A12 28mm F2.5 and Quattro.

As you can see, both of those cameras come with the identical sensor size but different megapixels. You can expect to see the Sigma Quattro to render more detail using its extra 17MP. Greater resolution will let you crop images a good deal more aggressively. The more aged GXR GR Lens A12 28mm F2.5 will be disadvantaged with regard to sensor innovation.