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.
 
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...

I'll try and get some pics up tomorrow...
 
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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