Camera test:

Canon 5d-Mark III + Canon telephoto 70-200mm f/2.8 IS USM Mark II versus Canon 100D (Rebel SL1) + kit lens 55-250mm IS USM f/5.6.

You might remember my last blog post about swapping my Canon 5d-Mark III to the smallest/cheapest entry level DSLR Canon 100D (Rebel SL1) camera. I also downgraded my lenses system from Canon telephoto, Canon 70-200mm IS USM f/2.8 Mark II, Canon 24-70mm f/2.8 to Canon kit lenses Canon 18-55mm f/5.6 and Canon 55-250mm IS USM f/5.6. See the blog and more images here:

Following my downgrade, there were many statements, comments, and people expressing their opinions in different ways – some more controversial than others.  So, I decided to shed some light on this matter. 

A couple of weeks ago I ran a Speedlite photography workshop, outdoor, on location. Some of my students were using the Canon 5D Mark III cameras and the more expensive Canon lenses so I decided to do some tests with the 2 systems:  Canon 5d-Mark III versus my current entry level DSLR Canon 100D camera (Rebel SL1) and the lenses too.

I quickly produced a (rather tricky and challenging) lighting setup which usually can give some serious trouble to the photographer and the equipment (particularly the lenses) with a view to test the 2 systems and see how they would perform. 

After I finished the lighting setup I took 2 images with the same lighting and same composition with the 2 systems (I tried to keep ev