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    Canon RF 70-400mm f/4.5-5.6L IS USM to be announced this year [CR2]

    By Updated:138 Comments1 Min Read Canon Lens Rumors
    canon100400png 728x462 - Canon RF 70-400mm f/4.5-5.6L IS USM to be announced this year [CR2]

    *Update*: We don't believe this lens is coming in 2020 anymore.

    We have been told by a great source that Canon plans to announce an RF 70-400mm f/4.5-5.6L IS USM lens sometime this year.  Though we don't exactly know when.

    Back in September, we saw a patent for such an optical formula. and it makes a lot of sense that such a lens would hit the RF mount sooner than later.

    The same source also said to expect it to be about the same size as the recently released Canon RF 70-200mm f/2.8L IS USM.

    The image for this post is the EF 100-400mm f/4.5-5.6L IS II USM

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    3. Suggesting it might be about the same size as the RF 70-200 would be quite a exceptional little lens to always have on you.

      Edit: While I am super excited about this, would be lovely to have a 200-500 f/5.6. The 70-200 range is covered by so many other lenses but getting past 400 is currently expensive or Nikon.
    6. GAAAAHHHH !!!!!! :love:
      If I don't quickly sell my EOS R, I won't have any money left for food.
      Fact is : the RF lenses are really tempting !
      Looks like many banks are going to be be robbed in a close future by impoverished EOS R owners...
    8. 70-400 or rather 70-300?

      I'd much rather see a 70-400. The max apertures at the end of the focal length ranges are consistent with the 100-400s, and the key to getting it small might be that it goes down to 70mm.
    12. Is this a new way to differentiate offering from 3rd party providers - longer focal ranges at the same apertures.
      Or is this because there won't be any APS-c RF mounts?
    13. Great to see the 70-300 and 100-400 rolled into one lens, especially if it's a bit smaller than the EF 100-400L II. But - and I know it's been said a thousand times - it's *useless* without a body which performs for long lens subjects. And teleconverters, and extension tubes, and (please) an RF mount body with the 90D sensor.
    14. Suggesting it might be about the same size as the RF 70-200 would be quite a exceptional little lens to always have on you.

      Edit: While I am super excited about this, would be lovely to have a 200-500 f/5.6. The 70-200 range is covered by so many other lenses but getting past 400 is currently expensive or Nikon.

      There’s always the Sigma 150-600 option was well. But I agree; a 500 or 600 mm long end that doesn’t break the bank would be welcome.
    15. Is this a new way to differentiate offering from 3rd party providers - longer focal ranges at the same apertures.
      Or is this because there won't be any APS-c RF mounts?
      No, this is a great way to satisfy a "photographer's dream" :)
      100mm end of 100-400 is a bit too long at time for sports.
      70-400 is your 100-400 with a wider end. Just perfect.
    16. If it weighs the same as the RF 70-200 that would really be amazing. The 100-400s have always been about as heavy as the 70-200 2.8s, and I'd love to see the same weight reduction achieved on the RF version of those on this RF 70-400!

      The RF system gets more and more appealing when you are talking about weight savings. Nice lightweight f4s (ultrawide/70-200) would really round out a great a versatile zoom lens line-up from 15-400mm for the RF mount.
    18. That's exciting! Though I wonder if they would have to make some optical compromises in order to get the size down. I thought I'd heard the 100-400 as it currently is, is one of Canon's toughest-to-make lenses, so I feel like miniaturizing that must come with a compromise or two...

      But I could definitely see that in my bag should I jump on board with the R system any time soon.
    19. Edit: While I am super excited about this, would be lovely to have a 200-500 f/5.6.
      Then it won't be a safari drive lens (unless you are carrying two white lenses on two bodies with you).

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