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600mm f/11 or 800mm f/11 - which one would you buy?

Started Jun 21, 2020 | Polls thread
pawn Veteran Member • Posts: 3,261
Re: 600mm f/11 or 800mm f/11 - which one would you buy?

CanonKen wrote:

Assume the prices will be similar (as in, price if you could afford one, you could afford the other). All else being equal, which one would you pick?

My initial reaction was the 600mm, but I realized if I bought the 1.4x teleconverter, my 100-400mm would be a 560mm f/8, and I could see eventually buying the RF 100-500mm. As such, if I was 'limited' to f/11 on both, might as well get the 800mm and use it for special occasions. I have a heavy tripod with a Wimberley-style head, which would be useful on this lens.

If IQ is "acceptable" at f/11, I would buy the 800mm since I already have 100-400mm II + 1.4x III

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