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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 27 Feb 2013 (Wednesday) 14:32
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Please Recommend 7D Settings for Using IS on 17-55 EFS

 
MrChip
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Feb 27, 2013 14:32 |  #1

Hello,

I just purchased a used 17-55 F2.8 EFS lens to use with my 7D. The lens will replace a Tamron 28-75 F2.8 that would hunt for focus in all but bright light. The 7D is set up for sports, so the back * button is configured to trigger focusing, and I am in AI Servo mode. On two occasions when trying to use the IS function the lens "jiggled" as the IS was in constant adjustment mode. Don't know how to describe it, but the lens was actually vibrating a little. I would immediately release my finger and if I turned IS off the problem went away. The first time was trying to shoot small stripped fish at the Long Beach Aquarium. The lens was around 35mm, ISO 1600 and I was in Av mode. The second time was trying to film video at an indoor basketball game. As the action moved up and down the court, I would press the * button to regain focus and the jiggling would happen.

FYI, I plan on buying a Carry Speed LCD Viewfinder to help with manual focusing during videos.

I spoke to the person who sold me the lens. He is not that familiar with the 7D, but said that I may not have my camera in the correct mode to use IS. He wasn't sure if I should be in Full Time AI Servo or another setting.

Can anyone with experience with this camera and lens tell me what settings I should use to have the IS work? If using it for small fish in an aquarium is bad, please let me know that too.

Thanks so much!

Chip


Camera: Canon 70D and 7D with grips,
Canon lenses: 100-400 Mark II, 70-200F2.8, 300F4 IS, 85F1.8, 50F1.8, 17-55 F2.8 EFS, and 1.4x extender
Other lenses: Tamron 28-75 F2.8
Wish List: Canon 300mm F2.8 and 5D Mark IV (feel free to donate)

  
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julianthebest611
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Feb 27, 2013 14:38 |  #2

Are you using a tripod? If so, turn off the IS. If handheld, are you moving the camera too much?


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MrChip
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Feb 27, 2013 14:43 |  #3

Thanks for replying Julian. The photos at the aquarium were done handheld. The video was being shot with a monopod. Does that help? Does the AI Servo setting affect the IS?


Camera: Canon 70D and 7D with grips,
Canon lenses: 100-400 Mark II, 70-200F2.8, 300F4 IS, 85F1.8, 50F1.8, 17-55 F2.8 EFS, and 1.4x extender
Other lenses: Tamron 28-75 F2.8
Wish List: Canon 300mm F2.8 and 5D Mark IV (feel free to donate)

  
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gjl711
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Feb 27, 2013 14:55 |  #4

It's not necessary to turn off the IS when mounting the 17-55 on a tripos unless doing very long exposures. A little jitter, or more like a snap when the IS is activated is normal. If it is oscillates all the time, that does not sound normal.


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ChuckingFluff
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Feb 27, 2013 16:07 |  #5

What speed were you shooting at? and were you just taking a single shot in AI Servo mode. First rule is if it's not moving don't use AI Servo mode. With AI Servo you need to take more that one shot at a time, I usually take 4-5 at a time shooting sports or birds or anything moving the first ones are occationally in focus but mostly out of focus.




  
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TeamSpeed
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Feb 27, 2013 17:08 |  #6

ChuckingFluff wrote in post #15658827 (external link)
What speed were you shooting at? and were you just taking a single shot in AI Servo mode. First rule is if it's not moving don't use AI Servo mode. With AI Servo you need to take more that one shot at a time, I usually take 4-5 at a time shooting sports or birds or anything moving the first ones are occationally in focus but mostly out of focus.

That really has no bearing on the question/issue at hand. IS should only be working while AF in engaged, regardless of AI Servo or not. If you hit AF-on or half press the shutter, for the time either is pressed, IS will stay on. Let go of either button, and IS should shut down after a second or two on its own.

@MrChip,
IS on the 17-55 can be heard most of the time (some lenses might be quieter than others) and also felt, if you have a good grasp on the lens, for while it is engaged. I don't think you have any issue with the lens. There is no special mode on the camera at all for IS to work. The camera, in any mode, will tell the lens AF is engaged, and if the lens has the IS switch on, it will engage and then go out when the conditions are right.


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ChuckingFluff
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Feb 27, 2013 18:37 |  #7

@TeamSpeed it helps with the next question that he's going to ask




  
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MrChip
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Feb 28, 2013 02:05 |  #8

Hi Everyone,

I took the lens down to the beach to try and film the sunset. My video did not work very well because I could not tell if it was in focus. I need to get a loupe that magnifies the LCD with a diopter adjustment. Regardless, this video demonstrates what I mean by the lens "jiggling" with IS on. I have never seen this with me 300 F4 when I use IS.

http://vimeo.com/60727​040 (external link)


Camera: Canon 70D and 7D with grips,
Canon lenses: 100-400 Mark II, 70-200F2.8, 300F4 IS, 85F1.8, 50F1.8, 17-55 F2.8 EFS, and 1.4x extender
Other lenses: Tamron 28-75 F2.8
Wish List: Canon 300mm F2.8 and 5D Mark IV (feel free to donate)

  
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rawshorty
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Feb 28, 2013 02:18 |  #9

That does not look or sound normal to me. Can you return the lens and get your money back?


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MrChip
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Feb 28, 2013 02:42 |  #10

Hi rawshorty,

I purchased it from someone on Fred Miranda who has a great rating on many transactions. He normally gives a 10 day trial period, but he knows I was offline for a week with a back injury. We talked on the phone earlier today and he was the one who said that I may be using AI Servo when I should not. I sent him a link to the video to see what he says.


Camera: Canon 70D and 7D with grips,
Canon lenses: 100-400 Mark II, 70-200F2.8, 300F4 IS, 85F1.8, 50F1.8, 17-55 F2.8 EFS, and 1.4x extender
Other lenses: Tamron 28-75 F2.8
Wish List: Canon 300mm F2.8 and 5D Mark IV (feel free to donate)

  
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rawshorty
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Feb 28, 2013 03:52 |  #11

AI Servo should have no effect on the IS, only the focus. If that is normal i am glad i got the Sigma.
I don't use video though, so maybe it is different when in video mode? Does it do the same for stills?


I prefer to be in the bush with the animals than a crowded city.
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DBNissan
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Feb 28, 2013 04:21 |  #12

there is something wrong with the IS of your copy. Mine does not do that whether taking images or video. All it does is a quick blip when activated as you initialize the focus. No vibration anywhere near as long as yours.


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apersson850
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Feb 28, 2013 09:38 as a reply to  @ DBNissan's post |  #13

I agree, something is loose in the lens, or whatever.


Anders

  
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Snydremark
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Feb 28, 2013 09:45 |  #14

If it's doing that, constantly, while IS is engaged then it looks like somethings goofed in that lens.


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rix2357
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Feb 28, 2013 09:56 |  #15

it's the old IS failure issue that Canon refuses to acknowledge in the 17-55is lenses. Soon it's going to jiggle all the time and you can't use the IS at all. Normally with constant use, it fails right outside of Canon's 1 year warranty period.

It was a $250 fix for me because it was a gray market lens. I've heard the genuine ones, canon will fix for $150 from their facility in Irvine. My fixed one so far hasn't had issues for a couple of years, but still...




  
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Please Recommend 7D Settings for Using IS on 17-55 EFS
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