That's what I was talking about.
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What I really like about this site is that it allows to edit the user posts indefinitely and delete them if wanted. Just one idea: It would be nice to extend the time a bit until the "Last Edit:" marker appears.
The reason is that at least for me as a non-native speaker I often find myself editing the post somewhat because after reading it again after a 1-2 minutes or so I think "Hey, that doesn't sound right". Because I'm not editing the actual content I then sometimes delete the post and re-post it to prevent it marked as "edited" - I don't know if I'm the only one doing that. Yes, I admit I could carefully use the "Preview" option, but it usually only dawns on me after reading it in the whole context after "Post".
I like the idea of being able to insert a Teleconference. If we all get one, then we could confer over each shot.
+1 I teleconference when shooting with my 600 II, but I have to use my iPhone and BT headset for that - having a built in option means one less accessory to carry.
It just getting better and better with Canon lenses.
BIG QUESTION: HOW MUCH?
I need to start 2nd job
I guess I can't be of any help to you right now. I'm ordering a 300 2.8 II today ...
The only way to cure the "GAS" is go bigger and faster or STOP visit CR site
I'm getting a battery grip for one of my 5D III, since I can't afford 1D X.
It's a beautiful day in California, I'm going to test drive my 300mm f2.8 IS II at local zoo today.
No more visit local Sony Store until Jan 2014
Not arguing, but thinking aloud that 300 should be enough with planning for a smaller package.
I believe that if one a person is taking more than 300 photos on a vacation while walking around is being trigger happy.
I have both for the time being. I got the 600mm first because I thought everything was shifting to full frame and was looking to replace an 800mm. Like others have said, for birding, I think the 600mm II + 1.4x III is the best option. If the birds are stationary, then the 600mm II + 2x III will also work nicely (super sharp). This is not a lens you want to travel that far with though, since it is big volume wise. Also hiking around with it is cumbersome at least for me. So that is something to consider. I mainly use the 600mm II on a sturdy tripod and a full gimbal head.
The 500mm is lighter on paper, but in my hands it does not feel that much lighter. It is however, much smaller in volume. So would be much easier to take on a plain or even to hike around with. Still not sure I want to hike around with it much. If you think you might be sticking with a crop sensor body (7D, 70D and maybe the next 1.6x body) then I might suggest you strongly consider the 500mm. If not for the slight weight savings and size differences, then for the price difference. The 500mm + 1.4x on a 7D is more than enough focal length for birding.
I also have the 300mm f/2.8L IS II and would choose to use that, if I am going to be hiking around looking for subjects to photograph. I'd use it without hesitation with the 2x III. It is much lighter than either the 500mm and 600mm and it is super sharp even with the 2x III on it.
Don't know, if that helps you any. You might even consider a nice used 800mm f/5.6L IS that can be had for around $8500 these days.
Best of luck with your decision. If you decide on a 500mm II, I might have one for you :-).
I have the 600 II and I am very happy with it. I use it with the 1.4xIII extender most of the time. If you´re not used to long lenses, you´ll be surprised to how many times you´ll say 840mm isn´t enough.
I had the 400 f2.8L IS II, but the 600 gives that extra level of sharpness at 840 vs. the 800 I could get by combining the 400 with the 2xIII extender. And with the 600 I can also go to 1200mm. But practically that is only usable on fairly stationary subjects. I combine the 600 with the 200-400 f4L IS 1.4x. A phenomenal lens you also should consider.
The 600 is a big lens and I actually find the size of it more of an issue than the weight. But from both a reach and optical quality perspective, it is awesome, but so is the 500 II.
The smaller size of the 500 II would make it easier to travel with, especially by air. As you say, the most significant differences are the cost and the 100mm of focal length. I'd say the 500mm would be better for wildlife and birds, whereas the 600mm is better for birds and wildlife. Since the latter more closely matches my interest, I went with the 600 II.
If Birds are your thing then the 600mm. You need as much reach as you can get.
So it depends on what your subjects are if any advantages apply.
The 500 will be lighter and a bit shorter and because of this a bit more portable.
It will be easier to hand hold as well.