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

Started Jun 21, 2020 | Polls thread
arbitrage Contributing Member • Posts: 585
Re: 600mm f/11 or 800mm f/11 - which one would you buy?
1

Now that we've seen what they look like and they are obviously retractable so the 800 is not too long to pack easily, there is no reason I can think of to buy the 600 over the 800.

If the 600 was f/8 that would be a different story.

But if I'm after "reach" for birds (which I am), the 800 is the only one that makes any sense to me.

I spent an entire day last week shooting at f/11 at 840mm (with my 600GM and 200-600) just to see what I could accomplish at that slow of an aperture.

One certainly has to pick one's battles carefully and background management is critical (which it should be anyways even with an f/4 lens) but I was able to accomplish a number of pleasing images at f/11 even shooting GHOs in forest with low light.

Not sure if I'd every buy the 800/11 but if price was $1500 or below I might consider one for a lightweight walk around option.  Of course I'd much rather have a lens like my 500PF that can get to 1000 f/11.

 arbitrage's gear list:arbitrage's gear list
Canon EOS 450D Nikon D500 Nikon Z50 Sony a1 Canon EF 100mm F2.8L Macro IS USM +15 more
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