Question about Canon EF-S 17-85MM F/4-5.6 IS USM Lens

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Canon EF-S 17-85MM F/4-5.6 IS USM prevents features from working on 40D

Tried to take photos today with Canon EF-S 17-85MM F/4-5.6 IS USM lens on Canon 40D, aperture reads 00, can't use aperture priority mode as won't change from 00, displays 00 in all modes including the Fully Auto mode, cannot change AF modes nor drive modes while this lens is on. I used another lens and it works as it should. I will try cleaning the contacts but what else could it be? Only 6 months old.

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Something sounds strange about this. aperture 00 is an invalid aperture value. stands to reason if that is the case the camera would complain about it. via error code. being that its only six mos. old i would give canon a ring.

Posted on Dec 11, 2008

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Canon EF-S 17-85MM F/4-5.6 IS USM Lens


http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CHoQFjAA&url=http%3A%2F%2Fmedia.the-digital-picture.com%2FOwners-Manuals%2FCanon-EF-S-17-85mm-f-4-5.6-IS-USM-Lens.pdf&ei=mncUUJ3EOYnm9ATK2YCQBA&usg=AFQjCNHJaSazpAGakXjAkYnWzbV5ygWbrQ&sig2=SYGmYEaxlwZ3Rhv2yzgFZA

Jul 28, 2012 | Cameras

1 Answer

18-55 lens not doing auto-focus


I offer you to buy Canon EF 24-105mm f/4 L IS USM Lens. This gives very good performance for your studio work and specially for portre. It has Image Stabilization and Ultrasonic Motor. Other professional lens are very expensive. It has red ring.
Please check the link below.
http://www.the-digital-picture.com/Reviews/Canon-EF-24-105mm-f-4-L-IS-USM-Lens-Review.aspx

Regards

Apr 13, 2010 | Canon 28-135mm f/3.5-5.6 EF IS USM AF Lens

2 Answers

Lens not communicating with camera


contact problem or lens diaphram blades problem. First try to clean the contact with the pencil eraser. If the problem isn't solved. send it to canon it should cost you about 100.00 to repar.

Mar 14, 2010 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

1 Answer

Auto focus does not work on the 135mm


hi i am sagha a camera repairer from mumbai, i have gone through such problems much oftenly,in your case i think it is the internal problem with the flex board inside the lens which is multitwisted on metal plate after prolonged use becomes stiff & brittle and creates hairline cracks on the pcb which in turn breaks the tiny tracks & leads to malfunction at 135 mm.

May 26, 2009 | Canon 28-135mm f/3.5-5.6 EF IS USM AF Lens

1 Answer

Cant adjust below f/5.6 on a eos 40d


You are correct in thinking that it should be possible to set the aperture wider than f/5.6 at the wide end of the zoom range.  My best guess is that the lens is defective.  I'd suggest returning it for a replacement.

Dec 21, 2008 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

1 Answer

Is there a manual for Canon EF-S 17-85MM F/4-5.6 IS USM Lens ?


there is a manual for the 40d kit with that lens. probably does not have exactly what your looking for but there is some useful info about that lens here is the link .

http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=SupportDetailTabAct&fcategoryid=215&modelid=17779#DownloadDetailAct

Dec 09, 2008 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

2 Answers

Lens won't allow me to change aperture & several other functions on camera


The USM engine may be out of order, or there is a bad contact in the lens.

Oct 11, 2008 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

1 Answer

Sharpness problem


That should be a very sharp lens, only thing I can think of is that you have a bad copy. It can be sent into Canon where they will fix it.

First, I would try giving it a full cleaning, and taking shots in good light on a tripod at 17-80mm, just to make sure its really the lens

Dec 15, 2007 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

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