Canon 1D MIII vs Canon R

Let's take a closer look at the Canon 1D MIII vs Canon R, former is a Pro DSLR while the other is a Pro Mirrorless and they are both manufactured by Canon. There is a substantial difference between the image resolutions of the 1D MIII (10MP) and R (30MP) and the 1D MIII (APS-H) and R (Full frame) use totally different sensor sizes.

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The 1D MIII was brought out 12 years before the R which is quite a big difference as far as tech is concerned. Both of the cameras come with different body type with the Canon 1D MIII being a Large SLR camera and the Canon R being a SLR-style mirrorless camera.

Before diving through a complete comparison, below is a brief introduction of how the 1D MIII matches up vs the R in relation to portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Canon EOS-1D Mark III & Canon EOS R. The entire galleries are viewable at Canon 1D MIII Gallery & Canon R Gallery.

In case you're intending to travel with your camera regularly, you need to factor its weight and volume. The Canon 1D MIII comes with physical dimensions of 156mm x 157mm x 80mm (6.1" x 6.2" x 3.1") having a weight of 1335 grams (2.94 lbs) while the Canon R has sizing of 136mm x 98mm x 84mm (5.4" x 3.9" x 3.3") with a weight of 660 grams (1.46 lbs).

Examine the Canon 1D MIII vs Canon R in our newest Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary based on the lens you have attached at that time. Here is the front view measurements comparison of the 1D MIII vs the R.

Factoring in size and weight, the portability score of the 1D MIII and R is 51 and 62 respectively.

Usually, it can be tough to visualise the difference between sensor dimensions just by checking specs. The pic below should provide you a much better sense of the sensor sizes in the 1D MIII and R.

All in all, the two cameras posses different resolutions and different sensor dimensions. The 1D MIII due to its tinier sensor will make getting shallow depth of field harder and the Canon R will give more detail having its extra 20 Megapixels. Greater resolution can also help you crop images somewhat more aggressively. The more aged 1D MIII is going to be disadvantaged when it comes to sensor tech.