Err 99 ....... Help please.
- Thread starter The Greek
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cuthbert
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i've been getting this intermittently with my new sigma 50mm f1.4 since saturday. turning the body off/on again seems to clear it and it does it again a while later. doesn't even have to be used. never happens with my other lens.
would be interested to know if there is a simple solution, but it sounds like we might have a problem
(i've tried cleaning contacts etc and all that, btw).
@the greek - have you tried cleaning the contacts on the lens? it might be that... if you're lucky!
would be interested to know if there is a simple solution, but it sounds like we might have a problem
(i've tried cleaning contacts etc and all that, btw).
@the greek - have you tried cleaning the contacts on the lens? it might be that... if you're lucky!
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OP
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Thanks for helping but its not the aperture ring, cant understand why, it worked when bought the camera a few weeks ago, thing is i only bought the camera cos i had a lens
OP
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this was posted on another forum i frequent...
Hi Guys,
This is a very common and vey annoying error that Canon cameras (esp. the xxD range (and the 40D in particular)) seem to be prone too.
Err-99 is Canons general "catch all" code and has a lot of meanings. Best case is you need a new backup battery or to clean the contacts on the lens/body, worse case the shutter has packed in!
This is the best reference I know about the issue and what to do about it. It might be handy to make it a "sticky"
http://www.lensrentals.com/news/2008.12.31/canon-err99
hth
c
Hi Guys,
This is a very common and vey annoying error that Canon cameras (esp. the xxD range (and the 40D in particular)) seem to be prone too.
Err-99 is Canons general "catch all" code and has a lot of meanings. Best case is you need a new backup battery or to clean the contacts on the lens/body, worse case the shutter has packed in!
This is the best reference I know about the issue and what to do about it. It might be handy to make it a "sticky"
http://www.lensrentals.com/news/2008.12.31/canon-err99
hth
c
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Sigma lenses aren't 100% compatible with Canon bodies. Since Canon won't release the specs, Sigma have to reverse-engineer the mount and electronics. They achieve 99.9% compatibility, enough to work OK with the current line-up of bodies (or not, as the case may be 
) but not necessarily with a future body - or indeed the same body with a firmware update.
This is why older Canon-fit Sigma lenses that worked fine with film SLRs often no longer work with digital bodies and require re-chipping. The equivalent Canon EF lenses do work fine.
If it's a ploy by Canon to discourage the use of 3rd party lenses with their cameras, it's worked for me I'd want any lens to be 100% compatible now and in the future - I tend to steer clear of Sigma, Tamron etc. for this reason.
A.
) but not necessarily with a future body - or indeed the same body with a firmware update.This is why older Canon-fit Sigma lenses that worked fine with film SLRs often no longer work with digital bodies and require re-chipping. The equivalent Canon EF lenses do work fine.
If it's a ploy by Canon to discourage the use of 3rd party lenses with their cameras, it's worked for me
I'd want any lens to be 100% compatible now and in the future - I tend to steer clear of Sigma, Tamron etc. for this reason.A.
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Try cleaning your contacts. Worked for me.
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If it's a ploy by Canon to discourage the use of 3rd party lenses with their cameras, it's worked for me
Well, you can hardly blame them really for trying their hardest to discourage the use of third party lenses. While they can be good for the consumer (cost less) they essentially steal away business from the OEM.
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Sigma lenses aren't 100% compatible with Canon bodies. Since Canon won't release the specs, Sigma have to reverse-engineer the mount and electronics. They achieve 99.9% compatibility, enough to work OK with the current line-up of bodies (or not, as the case may be
This is why older Canon-fit Sigma lenses that worked fine with film SLRs often no longer work with digital bodies and require re-chipping. The equivalent Canon EF lenses do work fine.
If it's a ploy by Canon to discourage the use of 3rd party lenses with their cameras, it's worked for me
A.
Wouldn't really explain why its all of a sudden stopped working
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But for the price difference you can afford to buy a new 3rd party lens with each upgrade
