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Archive 2012 · Faster focusing lenses ?

  
 
Bsmooth
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p.1 #1 · p.1 #1 · Faster focusing lenses ?


I like to take images of Birds in Flight. I picked up a very well used 1DMk2, which from what I understand is very good at fast focusing.
My question is, what lenses work best and quickest with this camera. I have a 70-200 F4(no IS) and 100-400. Out of those I would say the 70-200 is quicker.
I wish I could afford a 500 or 600mm lens, but truth is I'll never afford any of those.
So what would be my choices otherwise ?
The reason I need quickness is Swallows, they are fast, and darty to say the least.



Jul 30, 2012 at 11:26 AM
Monito
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p.1 #2 · p.1 #2 · Faster focusing lenses ?


https://www.fredmiranda.com/forum/topic/1135877



Jul 30, 2012 at 11:30 AM
Photon
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p.1 #3 · p.1 #3 · Faster focusing lenses ?


A lot of the BIF photogs seem to recommend the 400/5.6 L over the 100-400 because of AF speed. I'm sure a few of them will chime in within about 45 seconds.


Jul 30, 2012 at 11:30 AM
Ian.Dobinson
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p.1 #4 · p.1 #4 · Faster focusing lenses ?


How much do you want to spend? And how long do you want?

The prime 400/5.6 is much faster than the 100-400 . I've not used a 300/4 is but I think that faster as well.

I find that yes my 100-400 is lacking in AF speed , but it can be body dependant. It's faster on my mk2n than my 7D which is faster than my 40D was.

Also (and probably no help for erratic birds) I find it fast enough when making small changes but bigger changes challenges it more. eg at a race track pre focussing on the apex of the corne it would track very fast motogp bikes without much issue.



Jul 30, 2012 at 11:32 AM
ClausC
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p.1 #5 · p.1 #5 · Faster focusing lenses ?


I believe Canon some years ago had an article about the 300/2.8 IS being the fastest focusing lens (The new generation lenses probably changed that).

I have tried to photograph Swifts head-on with the 400/5.6, but they can easily outrun it when they get close enough. (The closer they get the faster the USM have to move to keep tracking, there is a reciprocal-value involved).

I tried the 300/2.8 IS, it is probably a bit faster, but more difficult to swing around, so I prefer the 400/5.6

Regards

Claus



Jul 30, 2012 at 11:43 AM
pKai
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p.1 #6 · p.1 #6 · Faster focusing lenses ?


If you're on a budget and you already have the 100-400, then the 400 5.6L is your only choice. You will love this lens and you won't have to sell a kidney to get one.

Your 1 series should be able to AF to F8, so a 1.4 TC for the 400 may not be a bad idea either. IQ-wise, the 400 takes a 1.4 very well. AF does slow down even on a 1 series, however.

There's a lot of back and forth with users of these 2 lenses... You decide for yourself.... I sold my 100-400 because AF was so slow and IQ was not as good compared to the 400 5.6L. A few years later I read that some early copies were bad so I bought another only to be disappointed again..... sold it too. The argument continues to this day.



Jul 30, 2012 at 12:13 PM
jasonpatrick
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p.1 #7 · p.1 #7 · Faster focusing lenses ?


400mm 5.6 paired with the 1dII is a great combo. I use it almost daily. I set the 1dII to 13 point expansion with the center point activated, and I usually use the 8.5 meter limiter on the 400 5.6. Get it used, and if it doesn't work for you, you can sell it for basically no loss.

http://farm8.staticflickr.com/7252/7673075124_2f02a99105_c.jpg
http://farm8.staticflickr.com/7275/7673080320_cb6c2dd4f7_c.jpg
http://farm8.staticflickr.com/7128/7673083772_f0e4746b0f_c.jpg



Jul 30, 2012 at 12:22 PM





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