12-30-2013 09:29 AM
"I may be wrong but I think the question relates to the Mk 1 or Mk 2 versions of the 70-200 & not the 5D's."
Oh, you probably are correct, sir. It's hard for this ole brain to switch gears sometimes, ah, most times.
So to clarify whichever way the question is aimed.
The difference between version 1 and 2 of the 24-70mm f2.8, not much.
The difference between version 1 and 2 of the 70-200mm f2.8, a little.
The difference between version 1 and 2 and 3 of the 5D series is night and day. They continually got better and better.
There is also a 70-200mm f4 IS L that is a pretty darn good lens. It is lighter and less costly.
12-30-2013 01:33 PM
01-01-2014 09:37 AM
I have owned and used the 24-70 f/2.8L (Ver.1) for several years. Unlike the Ver.2 of this lens, the Ver.1 is NOT sharp when used wide open at f/2.8 and is actually quite soft. I checked the EXIF dagta on your images and they all show shot at f/2.8 so I'm not surprised at your results. It gets better when stopped down to f/4 and becomes excellent when stopped down to f/5.6. The newer Ver.2 is much better, but I was not about to put out over $1,000 to make the upgrade as I use the lens primarlily for people or landscape and am stopping it down any way. I learned to NEVER shoot that lens wide open.
For the record, I use it on 2 bodies with the same results.... a 1D Mark IV and a 5D Mark III.
As for the 70-200, I have owned and used every version Canon has made. In fact, the latest 70-200 f/2.8L IS Ver. II is much, much sharper than the previous version. It's a lens I normally shoot wide open and it's tack sharp. Best zoom lens made..... period. By anyone. It's the Gold Standard of zoom lenses. Best money I have ever spent on an upgrade.
Here are a couple of links to reviews on the 70-200 f/2.8L IS II.....
I hope this helps.
01-01-2014 02:00 PM
Mine is the f2.8L II ....purchased in late Sept....just tested with a second body and results are about the same but the second body (T1i) needed to go up to 1/4000 to focus - very bright outside today going to retest using f/4 but .... the reason i purchased this lens and put out $2k for it was so that i could take better shots in lower light - i take 90% of my shots indoors in low light (typical living room lighting) ... everything i had read up to the purchase said that it was a sharp lens and that it did well in low light.... I know that most lenses to better by stepping one f stop but didn't realize it would be this off/soft at 2.8 ;( i posted my test shots in the other thread .... going to retest now using f/4 on both bodies to see what happens.
I have until Jan 4th to return the 70d body (or exchange) so just need to figure out where the problem is ....