Canon EF 70-300mm f/4-5.6L IS USM

Anyone own or have owned the 300 f4l? I am curious to see how you would compare the two lenses. The intended use is wildlife.

Daniel - the "preferred" lens for wildlife (according to some "experts") is either the 400/5.6 or the 300/2.8. For hand-holding, the 400 is generally preferred. Though the 400 lacks IS it is not said to be an impediment. Some people even attach a rifle-like brace to help with panning etc.

Daniel, I used to use the 300 F4LIS + 70-200 F4 LIS as my tools of choice for wildlife work and replaced both with the 70-300 LIS. I find the 70-300 LIS is faster to focus than the 300 F4 and possibly more accurate more often. Resolution and detail is equivalent, except at MFD when the 300 has a slight advantage.

Bokeh is better with the 300 F4 wide open but only slighty

(As always, based on my sample of one of each only)

Oh my god - no pictures till now!?

OK lets go for the new magic drainpipe...

Both with f5.6 1/250s and ISO 125 with a 7D @300mm
Others will follow soon. I am in the office at the moment

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Spam time.

Very Very nice Bob
did you use extension rings (if yes which)
how about adding a second signature BeeBob

Thanks omer. It is Bobo btw.

Extension tubes - not on the bluejay.

The flowers - yes, 20mm+12mm stacked.
The bees - the first one most likely, but not sure about the in-flights. Was very difficult to focus on a moving object so probably did take them off.

Was using the Kenko set.

do you also use the Kenko teleconverter with the 70-300

Omer - very little now. The images come out softish and take away detail. I remember being pretty happy with it intially and the pics at that time were decently sharp. Do not understand why there is now a noticeable difference.

I might be selling it. Probably the tubes too if I get a macro lens.

I made the mistake of renting this lens for a week while at my niece's wedding and the following day to the DC Zoo, so, I knew I had to get this lens, sold my 35L to help fund the purchase and the lens
should arrive late this coming Friday

here are some shots taken with this lens during the time I was renting it;

Wow shots Gary, and congrats on the new lens. It will serve you well.

and some other pictures.

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and this

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I just picked up this lens from Amazon tonight. I am planning on using the lens for wildlife photography from a kayak.

I had the 70-200 IS II for quite some time (had to sell recently to pay some bills and I really miss it...) so my standards are pretty high right now. I'm really hoping that this lens doesn't disappoint.

Welcome to the club Daniel.