Help! Problems with SIGMA ZOOM LENS

smiffo

smiffo

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Hi,

I bought a SIGMA 70-300 APO MACRO ZOOM LENS off e-bay for my Canon D400. The lens is in fantastic condition, but there seems to be a problem. It works ok on Autofocus and auto settings, but when I try Aperture priority or shutter speed priority, the camera freezes and can not take the shot.

The lens autofocuses fine, just freezes when the shutter is pressed.

I have tried the lens on a friend's D400 and I get the same problem.

Can anyone suggest what the problem might be?

Many thanks....:(
 
Some of the older Sigma lenses do not work on modern DSLRs without re-programming, it could be that :shrug:
 
smiffo do you lnow how old it is, or can you post a picture of your actual lens? we'd be able to tell roughly it's age from the style.
 
One thing to try is to give the metal contacts a clean with a nice soft cloth, might be worth a try.
 
Mr Grubby is right, mines the same, just doesn't work in anything other than auto modes.
 
Interesting thread, I took the same type lens out this afternoon on a 40D, the camera was set on tv mode and it worked fine for me so it could be a programming thing as MrGubby said.
 
mrgubby...he may well be grubby, but he's definately gubby! :)
 
Steep said:
smiffo do you lnow how old it is, or can you post a picture of your actual lens? we'd be able to tell roughly it's age from the style.
Click to expand...

Here is a pic of the lens.

IMG_3225.jpg


thanks for your help so far....
 
Steep said:
mrgubby...he may well be grubby, but he's definately gubby! :)
Click to expand...

Sorry, I hate it when someone gets my surname wrong so many apologies.

Saw the pic, exactly the same as my lens. Mine shows 'err 99 when I press the shutter release.

Chris
 
Looks like the old style, so it may need re-chipping by sigma
 
From the Sigma Users Forums :-
If the lens can be re-chipped, Sigma UK is the place to get it done.
Give them a ring on 01707 329999 and ask. You will need the serial number on the lens, as there are a number of different models.
They will tell you if they can re-chip and give you a price which, I believe, is not too expensive.
Click to expand...
 
thanks - I'll give it a go. I've already emailed them with the same request and included the pic, but have not been home since to see if there has been a reply.
 
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