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DPChallenge Forums >> Photography Discussion >> just tried a 70 200 f4 L and...
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 10/16/2007 05:17:30 PM · #1
im thinking buying a 70 200 f4 L IS second hand and i was testing it and the lens sound like something is loose inside, is that coom on that lens? and then i wehn focusing i hear like some engine inside the lens is that the IS. and how can i specically check if the Is works fine?

thanks in advance
 10/16/2007 05:32:33 PM · #2
any one? come on there is a lot of 70 200 f4 is owners here
 10/16/2007 05:33:24 PM · #3
You shoud hear nothing while focusing, and a slight click and soft buzzing sound when IS enables. That's it.

Message edited by author 2007-10-16 17:33:50.
 10/16/2007 05:35:47 PM · #4
Originally posted by routerguy666:
You shoud hear nothing while focusing, and a slight click and soft buzzing sound when IS enables. That's it.


thanks man, and what about this.. i shake it a little and it sound liek something loose inside? is that common?
 10/16/2007 05:42:18 PM · #5
Originally posted by renefunk:
Originally posted by routerguy666:
You shoud hear nothing while focusing, and a slight click and soft buzzing sound when IS enables. That's it.


thanks man, and what about this.. i shake it a little and it sound liek something loose inside? is that common?


NOT normal to hear something loose inside while shaking it. For the same price you could get a 70-200 f/2.8 non-IS. I'd get that if I were you.
 10/16/2007 05:44:48 PM · #6
Originally posted by doctornick:
Originally posted by renefunk:
Originally posted by routerguy666:
You shoud hear nothing while focusing, and a slight click and soft buzzing sound when IS enables. That's it.


thanks man, and what about this.. i shake it a little and it sound liek something loose inside? is that common?


NOT normal to hear something loose inside while shaking it. For the same price you could get a 70-200 f/2.8 non-IS. I'd get that if I were you.


thanks man, then this lens is not good, IT sounds when i shake it!! damm it was a good price :)
 10/16/2007 05:45:53 PM · #7
Originally posted by doctornick:
Originally posted by renefunk:
Originally posted by routerguy666:
You shoud hear nothing while focusing, and a slight click and soft buzzing sound when IS enables. That's it.


thanks man, and what about this.. i shake it a little and it sound liek something loose inside? is that common?


NOT normal to hear something loose inside while shaking it. For the same price you could get a 70-200 f/2.8 non-IS. I'd get that if I were you.


It should sound tight as a drum, EXCEPT that sometimes the lens shades rattle on Canon lenses. I doubt that's what you're describing, though...

R.
 10/16/2007 05:46:01 PM · #8
Originally posted by renefunk:
Originally posted by doctornick:
Originally posted by renefunk:
Originally posted by routerguy666:
You shoud hear nothing while focusing, and a slight click and soft buzzing sound when IS enables. That's it.


thanks man, and what about this.. i shake it a little and it sound liek something loose inside? is that common?


NOT normal to hear something loose inside while shaking it. For the same price you could get a 70-200 f/2.8 non-IS. I'd get that if I were you.


thanks man, then this lens is not good, IT sounds when i shake it!! damm it was a good price :)


That's the reason it's being sold...
 10/16/2007 05:48:24 PM · #9
so guys you recommend dont to buy this lens.... :(
 10/16/2007 05:48:38 PM · #10
Why don't you just admit this is your friend's lens which you dropped and are trying to figure out if she's going to notice... ;)
 10/16/2007 05:50:57 PM · #11
Originally posted by routerguy666:
Why don't you just admit this is your friend's lens which you dropped and are trying to figure out if she's going to notice... ;)


LOL you are mean. thats an other problem
 10/16/2007 06:04:17 PM · #12
So this lens is supouse not to sound while shaking it....
 10/16/2007 06:06:27 PM · #13
Originally posted by renefunk:
So this lens is supouse not to sound while shaking it....


If you're shaking it with the lens cap OFF, definitely not.

R.
 10/16/2007 06:07:41 PM · #14
Originally posted by Bear_Music:
Originally posted by renefunk:
So this lens is supouse not to sound while shaking it....


If you're shaking it with the lens cap OFF, definitely not.

R.


thanks bear :)
 10/16/2007 06:30:59 PM · #15
If it was my gear, and it still produced good images, I wouldn't care what kind of noise it made when I shook it.

BUT, I would probably avoid buying a lens if it sounded like something was loose inside. Unless it was a few hundred bucks under the standard price so that I could use the difference to get it fixed if need be, and even then it's a lot of hassle...
 10/16/2007 06:38:25 PM · #16
Originally posted by MadMan2k:
If it was my gear, and it still produced good images, I wouldn't care what kind of noise it made when I shook it.

BUT, I would probably avoid buying a lens if it sounded like something was loose inside. Unless it was a few hundred bucks under the standard price so that I could use the difference to get it fixed if need be, and even then it's a lot of hassle...


If it a 70-200 F4 IS, then, unless he bought it as soon as it came out, then it should still be in warranty becuase as far as I remember it came out about a year ago? The only reason I remember is because I got one when it first hit the shops and that was towards the end of last year. (got rid of it pretty sharpish though and chopped it in for the 2.8 IS)
 10/16/2007 07:13:11 PM · #17
My 100-400 IS lens makes a slight whirring sound when you press the shutter button halfway. I assume it is gyro's inside spinning up. Occasionally you feel a slight bump come from the lens when in operation when the moving lens element reaches the end of its travel. This seems like normal operation to me. I haven't shaken the lens to find out if you can make the moving lens element rattle.
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