No rumors of future DO or mid-superteles afaik, so probably not in the near future. I guess it is a market Canon isn't in right now, but that's with a lot of these more specialized lenses.Bud you are the one missing the point what the original question is will Canon make a competitive lens to the nikon 800mm 6.3 neither the 1-500 mm or the 2-800mm are NOT competitive..the question had nothing about BIF or static targets it was about aperture and zoom >> go ahead and twist this conversation any way you feel to keep your ego on top homie .. but the fact of the matter is canon does not make a lens in the price point and zoom/aperture that can clearly compete .
I don't particularly need or want an 800, but I would like a 14/1.4 and a 15/1.4 fisheye (Sigma has shown it can be done) for astro, but Canon has never made those lenses, and there are no rumors of those lenses either, so I'll be waiting a while until Canon makes them or Canon and Sigma reaches an agreement w.r.t. FF RF lenses.
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