Canon EOS R

Canon EOS R Mirrorless Camera Review Part 1 (Podcast 650)

In this article, I share my thoughts on the EOS R, Canon's first full-frame sensor mirrorless camera offering having used it in the field for 4 weeks.

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Martin Bailey
Martin Bailey is a nature and wildlife photographer and educator based in Tokyo. He's a pioneering Podcaster and blogger, and an X-Rite Coloratti member.
  • John R Hoffman
    Posted at 00:21h, 17 February Reply

    Hello. This post seems to think its not “leakage” but condensation. What do you think of that theory?

  • smilecalm
    Posted at 03:42h, 17 February Reply

    useful, beautifully
    illustrated review
    and nice tips 🙂

  • Viggo
    Posted at 05:47h, 15 September Reply

    It’s not condensation in the normal sense at least. I’ve experienced condensation going from very cold to warm with other cameras. But I experienced the exact same thing with my R recently. Carrying it with a BlackRapid strap makes the EVF point up, it was very light rain and I had been out for while, no fog in the EVF. After 10-15 minutes with only some raindrops hitting the camera I saw the same thing as described in the article.

    • Martin Bailey
      Posted at 23:11h, 15 September Reply

      Hi Viggo,

      Yes, that’s exactly the same thing. Moisture is probably a better way to describe it, but the result is that you can’t see through the viewfinder, so I’m not going to split hairs over the verbiage.


  • sarah corrigan
    Posted at 23:07h, 13 July Reply

    Hello really useful info. I realise this may be a little late to ask, but can you tell me how does the water disappate if it has penetrated the evf where does it go and how long does it take to clear, I was looking into buying one specifically as it would be more weather sealed than my current camera. thanks.

    • Martin Bailey
      Posted at 23:14h, 13 July Reply

      Hi Sarah,

      It depends on the conditions. Once you get the EOS R out of the snow etc. it clears in an hour or so, but I had to use it almost completely fogged up as you see in the above photos for up to a day when I first got it.

      As for where the moisture goes, it just disappears, probably going out the same gaps in the sealing that it got in through.

      Although the EOS R is a great camera in almost every other respect, its tendency to fog up like this was a concern on many shoots, and this was never addressed by Canon, so I can’t really recommend the EOS R if you are going to use it in wet conditions.

      I don’t know if the EOS R5 is going to be any better, although the diagrams Canon have released do show more weather-sealing. Fingers crossed!


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