It wasn’t until I looked more closely at the images that I saw what was happening. But these showed a lot more variance than I would expect. I know, from previous conversations with the technical people at Canon, that different cameras with different sensors will yield slightly different results. With the lower ISO, the Canon R5 and Canon R6 had shutter speeds that were nearly twice as fast as the older DSLR cameras! And at a higher ISO, the numbers (now the same for the new mirrorless cameras and the same for the DSLR cameras), the shutter speeds for the mirrorless cameras was still much faster than the DSLR cameras. I wrote all this down and stared at the results, trying to figure out how the shutter speeds could be varied so much. Canon mark 5d ii vs iii iso#Shooting in AV mode at ISO 6400 and an aperture of f/8, here is what I saw for shutter speeds: Shooting in AV mode at ISO 100 and an aperture of f/8, here is what I saw for shutter speeds: Why were the shutter speeds so different? Here are the comparisons: They were all set for the same ISO, same aperture, and pointing at the same subject through the same lens. So…what were the strange results that I mentioned earlier? After shooting all the images and comparing at the metadata, I saw a wide discrepancy in the shutter speeds for each camera. Canon mark 5d ii vs iii download#For this reason, I created a Dropbox folder for you all, so that you can download the full-res RAW images to see them for yourself. I know that, with the smaller images size that you see here in the blog post, you may not be able to see the details I am talking about. I also know that, with the in-camera stabilization, I may not need to crank up the ISO quite as high with the Canon R5 and Canon R6. I do not need 45 Megapixels for my clients and I prefer to have 20 Megapixels and the cleanest image possible. I think that the Canon R6 might be my choice for shooting weddings and bar mitzvah. And here is another thing that puzzles me: If the Canon R6 uses the same sensor and same processor as the Canon 1DX Mark III, why are the ISO results so much better in the Canon R6? I have written to my contacts at Canon to get an answer to this. I figured that the Canon R6 would outperform the Canon R5 in this ISO test, but was not expecting this $2500 camera to best the $6500 Canon 1DX Mark III by such a wide margin. Not surprising, each camera delivered great results at ISO 100, with excellent clarity and very little digital noise. I zoomed into each image to approximately the same spot (varying for the different resolutions). But before we get to that, let’s look at the noise levels for each camera. Once done with the entire procedure, I came across some really weird results. One by one, I would mount each camera, work my way through the different ISO levels and then switch to the next camera body. I printed small cards to put in each shot to make it easier to see which camera and ISO level I was shooting in that particular photo. I went as high as 12,800 even though I almost never shoot anything above ISO 10,000. I chose these ISOs since they most represent what I typically use for my work. I decided to set each camera to aperture priority mode at f/8 and vary the ISO levels from 100, 800, 1600, 3200, 6400 and 12,800. I mounted the Canon 70-200mm lens onto my Gitzo tripod, zoomed it to 200mm and pointed the lens at a dark object in my office (which turned out to be a black NFL helmet in my collection). Since I had the RF adaptor in my possession, I decided to use the Canon 70-200mm 2.8 L lens which could then be mounted to my DSLR cameras and the new mirrorless cameras (using the adaptor). In order to try and keep everything as consistent as possible, I put together a plan to use as much of the same hardware as possible. And to give me even more insight, I decided to put them to the test against the reigning top Canon DSLR bodies, the Canon EOS 1DX Mark III and the Canon EOS 5D Mark IV. This means that my cameras are usually set at a minimum of ISO 2000 and I sometimes have to raise the ISO as high as ISO 10,000.įor this reason, I was anxious to test the new Canon EOS R5 and Canon EOS R6 mirrorless cameras to see how they perform in low light. But in normal times (not during this pandemic), I spend my weekends photographing in dark temples and churches and even darker party venues. If we all took photos exclusively outdoors and in bright light, this would not be a concern.
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