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Thread started 02 Mar 2008 (Sunday) 17:25
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70-220 f/4 IS - Whirring Noise

 
kvt
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Mar 02, 2008 17:25 |  #1

I took my 70-200 f/4 IS out to shoot a parade this weekend and noticed that it is making a noticable whirring noise when I push the button for AF and it continues even after the focus is locked. Any idea if this is normal? I have IS on, but I always do and don't remember this noise occurring previously. Maybe I missed it, though, which is possible because it is a reletively new lens for me. I would attribute it to the IS, but my 24-105 doesn't make this noise. I haven't dropped it or done anything else to it. Thanks for any ideas you might have!


KVT
Canon EOS 5D, 400D
Canon EF 50 f/1.4, Canon EF 85/1.8, Canon EF 100 f/2.8 Macro, Canon EF 135 f/2.0L, Canon EF-S 18-55 f/3.5-5.6 IS, Canon EF 16-35 f/2.8L II, Tamron 28-75 f/2.8, Canon EF 24-105 f/4L IS, Canon EF 70-200 f/4L IS, Canon EF 1.4x II Extender, Canon Speedlite 430EX

  
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JoYork
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Mar 02, 2008 17:35 |  #2

That's the IS motor and is perfectly normal. It's louder in this lens than most :)


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kvt
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Mar 02, 2008 17:40 |  #3

JoYork wrote in post #5035071 (external link)
That's the IS motor and is perfectly normal. It's louder in this lens than most :)

Thanks! I recently upgraded from the non-IS version, and I think I am just jittery that it isn't behaving correctly since none of my other IS lenses make that noise. I just don't know how I missed hearing it till now...it is so noticable to me now! :confused:


KVT
Canon EOS 5D, 400D
Canon EF 50 f/1.4, Canon EF 85/1.8, Canon EF 100 f/2.8 Macro, Canon EF 135 f/2.0L, Canon EF-S 18-55 f/3.5-5.6 IS, Canon EF 16-35 f/2.8L II, Tamron 28-75 f/2.8, Canon EF 24-105 f/4L IS, Canon EF 70-200 f/4L IS, Canon EF 1.4x II Extender, Canon Speedlite 430EX

  
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JackProton
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Mar 02, 2008 17:41 |  #4

IS uses a motorized gyroscope which spins up when you half-press the shutter release. That's the whirring noise you hear. When you need maximum image satbilization, wait a bit before taking the shot so the gyroscope has enough time to reach top speed.




  
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JoYork
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Mar 02, 2008 17:47 |  #5

I'm guessing the noise is louder in this lens due to it being more of a long empty tube... must be acoustics or something.


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zeva
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Mar 02, 2008 17:47 |  #6

oooo lol 70-200 not 70-220 was wondering when this lens cam e out haha


40D :20D: Speedlite 430ex
100-400 F/4.5-5.6 L :17-55 F/2.8 IS :28-135 F/3.5-5.6 IS: 18-55 F/3.5-5.6: 10-22 F/3.5-4.5: 70-200 F/2.8 IS

  
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Rubberhead
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Mar 02, 2008 17:51 |  #7

The IS in my 70-200mm f/4L is much louder and more noticable than the IS in my 28-135 which is a cheaper lens.


EQUIPMENT: 40D | Rebel XT | EF 70-200mm f/4L IS | EF-S 10-22mm | EF 28-135mm IS | EF-S 18-55mm IS | EF 50mm 1.8 - flickr (external link)

  
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JackProton
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Mar 02, 2008 18:05 |  #8

JoYork wrote in post #5035144 (external link)
I'm guessing the noise is louder in this lens due to it being more of a long empty tube... must be acoustics or something.

Since its 4-stop IS, it might actually spin faster than than the 2-3 stop IS designs.




  
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kvt
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Mar 02, 2008 18:10 |  #9

zeva wrote in post #5035146 (external link)
oooo lol 70-200 not 70-220 was wondering when this lens cam e out haha

Whoops, typo, sorry!


KVT
Canon EOS 5D, 400D
Canon EF 50 f/1.4, Canon EF 85/1.8, Canon EF 100 f/2.8 Macro, Canon EF 135 f/2.0L, Canon EF-S 18-55 f/3.5-5.6 IS, Canon EF 16-35 f/2.8L II, Tamron 28-75 f/2.8, Canon EF 24-105 f/4L IS, Canon EF 70-200 f/4L IS, Canon EF 1.4x II Extender, Canon Speedlite 430EX

  
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kvt
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Mar 02, 2008 18:16 |  #10

Thanks for reassuring me, everyone! If I get some time to compress some of the images from the parade, I'll be sure to post them. Even when sized down, they are still way over the 150kb requirement.


KVT
Canon EOS 5D, 400D
Canon EF 50 f/1.4, Canon EF 85/1.8, Canon EF 100 f/2.8 Macro, Canon EF 135 f/2.0L, Canon EF-S 18-55 f/3.5-5.6 IS, Canon EF 16-35 f/2.8L II, Tamron 28-75 f/2.8, Canon EF 24-105 f/4L IS, Canon EF 70-200 f/4L IS, Canon EF 1.4x II Extender, Canon Speedlite 430EX

  
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hjohnson
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Mar 02, 2008 18:54 |  #11

JackProton wrote in post #5035104 (external link)
IS uses a motorized gyroscope which spins up when you half-press the shutter release. That's the whirring noise you hear. When you need maximum image satbilization, wait a bit before taking the shot so the gyroscope has enough time to reach top speed.

Actually, there is no mechanical gyroscope in the lens. The way IS works is using a pair of basically tilt/acceleration sensors that detect the movement. The data from those sensors is processed, and the results are used to move a lens group up/down and left/right. The whirring noise is the constant adjustment of that lens group.


ELAN 7E, 350D + Grip, 40D + Grip, EF-S 17-55 f/2.8 IS, EF 28-105 f/3-4.5 USM II, EF 70-200 f/4L IS, EF 28 f/1.8 USM, EF 100 f/2.8 USM Macro, EF 300 f/4L IS, EF Extender 1.4x II

  
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JackProton
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Mar 02, 2008 19:19 |  #12

hjohnson wrote in post #5035572 (external link)
Actually, there is no mechanical gyroscope in the lens. The way IS works is using a pair of basically tilt/acceleration sensors that detect the movement. The data from those sensors is processed, and the results are used to move a lens group up/down and left/right. The whirring noise is the constant adjustment of that lens group.

Perhaps you're thinking of the newer, less-expensive version of IS in the Canon EF-S 18-55mm f/3.5-5.6 IS  (external link)and Canon 55-250mm 55-250 f/4-5.6 f4-5.6 EF-S IS Lenses?

According to Canon's write up of the 70-200 f4 IS:
"Optical shake is detected by gyro sensors, which provide the data necessary to shift the image-stabilizing lens group in parallel to neutralize the shake."




  
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hjohnson
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Mar 03, 2008 01:23 |  #13

JackProton wrote in post #5035728 (external link)
According to Canon's write up of the 70-200 f4 IS:
"Optical shake is detected by gyro sensors, which provide the data necessary to shift the image-stabilizing lens group in parallel to neutralize the shake."

The reality is that the solid state gyros used in these cameras are still solid state, and thus in reality are still accelerometers with some processing added to the front of them. You can buy the two axis units from Sparkfun and play with them yourself. :)


ELAN 7E, 350D + Grip, 40D + Grip, EF-S 17-55 f/2.8 IS, EF 28-105 f/3-4.5 USM II, EF 70-200 f/4L IS, EF 28 f/1.8 USM, EF 100 f/2.8 USM Macro, EF 300 f/4L IS, EF Extender 1.4x II

  
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JackProton
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Mar 03, 2008 17:25 |  #14

hjohnson wrote in post #5037556 (external link)
The reality is that the solid state gyros used in these cameras are still solid state, and thus in reality are still accelerometers with some processing added to the front of them. You can buy the two axis units from Sparkfun and play with them yourself. :)

Piezoelectric Vibrating Gyroscopes still have moving parts even if they don't spin as such and are based on solid state piezo "motors".




  
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HighLife
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Mar 03, 2008 17:36 |  #15

my 18-55 IS (not a L i know) makes some weird noises for sure when the camera is moved with the shutter button half way down.

I thought it was my flash for a second...cause its has a high pitch whirrly sound to it, which is similar to my 430ex charging up for the first time.


Canon 590IS/CHDKMy Flickr (external link)

  
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70-220 f/4 IS - Whirring Noise
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