Question about Canon EF-S 17-55 f/2.8 IS USM Lens

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When I use my Canon EFS 17-55 mm IS USM lens with my Canon 500D I have problems with the IS when when focusing from 35 mm to 55 mm. There are no problems from 17 to 28 mm. It sounds like the lenses are shaking also when I don't press the shutter.

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Posted on Jan 02, 2017

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SOURCE: Canon EFS Lens question- please help!!

turn to mf and use manual focus then change to af again and it should work again. It did for me

Posted on Apr 28, 2008

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SOURCE: Autofocus gives erratic results

Are you using this indoors, in low light perhaps? This would be the most common reason for this happening. The only way to get around that is to use a "faster" lens, such as f2.8 / f1.8 / f1.4 etc.

If not, try cleaning the lens and camea contacts with a plastic eraser, make sure no debris falls in the camera body (hold upside down for this).

Posted on Jun 02, 2009

SAGHA
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SOURCE: canon 70-300 mm IS USM motor-like sound which

HI I AM SAGHA FROM MUMBAI.ACCORDING TO ME WHAT MOTOR LIKE SOUND YOU HEAR IS OF IMAGE STABILISER MECHANISIM AND IT IS QUITE NORMAL YOU SHUT DOWN YOUR I S & WON'T HEAR ANYTHING ALL THE BEST

Posted on Jul 12, 2009

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SOURCE: shutter will fire intermitantly on Canon 40D. It

A Canon camera mechanic told me that on the 40D this is caused by the rubber part under the shutter button not springing back quickly enough, at least that was how he described it. It's a simple matter for a camera tech to fit a new one. I go to Whiltons Camera Service in Elizabeth St. Sydney. I've been going there for about 25 years and they are the best I know of.

Posted on Dec 19, 2009

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SOURCE: Nikon 17-35 lense overexposes past f5.6

Blades are dirty.

Test by setting up for 1" shoot and look into the lens.
If blades close late then they are in need of an PM.

I repairs & serivices cameras, flashes, lens and studio lighting.

atdlee@netzero.com

Posted on Jan 14, 2010

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Related Questions:

1 Answer

Camera displays flashing green light and will not take photo


If you flip the M/AF switch on the side of the lens and the then the camera takes a photo, Then the focus drive gears are damaged in the lens and needs repair,

Feb 12, 2014 | Canon EF-S 18-55mm f/3.5-5.6 USN Lens

1 Answer

Canon 7D -I have my setting on one shot - in any mode.- Lens: Canon 17-85mm. The autofocus jumps back and forth no matter where I focus at.


it means the lens is about to die.
i get same problem with my nikon 18-55 mm lens. the solution for my problem was that i shift from autofocus to manual focus on the llens and then back to autofucus. the lens works fine for me then :P
u can try the same thing.

Mar 02, 2011 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

1 Answer

I need the part number for the focusing unit ( USM motor) for the efs 17-85. THanks!!!!!


Afternoon,
for the Canon 17 to 80 5F4 to 5.6image stabilized USM lens is as follows
YG2-2140-000
the net cost on this motor assembly should be around $57 not to include shipping direct from Canon.
I hope this answers your question the placement of the motor is fairly straight forward be real careful when you work with the circuit to avoid it shocking or any static discharge. Also be careful of the press connectors and the flex connectors as they are fairly fragile. If you have any other questions please contact me directly@Dave@advancecamera.com.

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

3 Answers

My Canon EFS 17-85 MM is locked at the 17 MM position (although it doesn't have a "locked" feature. What is the problem?


Try taking the lens off AF mode and manually turning it and trying to focus. If that doesn't help then it sound like you have an internal fault.

Jan 11, 2010 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

1 Answer

Autofocus gives erratic results


Are you using this indoors, in low light perhaps? This would be the most common reason for this happening. The only way to get around that is to use a "faster" lens, such as f2.8 / f1.8 / f1.4 etc.

If not, try cleaning the lens and camea contacts with a plastic eraser, make sure no debris falls in the camera body (hold upside down for this).

Jun 02, 2009 | Canon EOS Digital Rebel XTI Digital Camera

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

Distance scale does not move on canon efs 17-85mm lens


Yes, this is normal. Some zoom-lenses adjust the focus when zooming, to always keep the subject in focus. Those tends to be the more expensive lenses.
So you don't have to worry, nothing is wrong with your lens.
/Chris

Jan 10, 2009 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

1 Answer

Canon EFS17-85 mm Image Stabilizer Lens stuck in Macro mode.


The USM focus works by applying pressure to a set of rollers. That pressure is achieved with a large diameter spring washer. It is held in place by another large diameter flat washer that on assembly is rotated 60 degrees to lock it in place. If the lock washer has moved due to mechanical movement (ie rapid manual movement of the focus ring) it could unlock and then all pressure to the USM motor parts and rollers is lost giving the loose feel you mentioned.

You will need to dissassemble the rear of the lens to see the USM motor parts, rollers and locking ring to reattach it. Follow the links at my pbase gallery to see the dissasembly. When I took my lens apart the focus and USM motor went all loose and I wondered how could it work ever!!!. The locking ring was off which sounds just like your fault. http://www.pbase.com/barry_2718/efs1785mm I also have a flex cable cracked which is a much harder fix. Take careful note of the parts (mark then with a felt marking carefully) to achieve a reassembly exactly as removed.

Apr 05, 2008 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

3 Answers

Unsure of how to use the extra functionality


That is the focusing ring. I'm guessing your camera is set to focus automatically (Little switch on the side of the lens should have settings for either AF or MF, or something similar.)

If its on AF, you don't need to adjust the focus ring.
However, if you have problems with the AF (sometimes it has trouble, especially in low light) you can switch it to MF, and focus manually by changing the ring.

As a general guideline, the more you twist to towards macro, it focuses closer and closer, and infinity futher away (if you're taking a shot of the moon, you want it on infinity)

Nov 26, 2007 | Canon EF-S 17-85MM F/4-5.6 IS USM Lens

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