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Sigma 150-600MM F5-6.3 DG Lens
May 6, 2024 21:33:32   #
Chief EW Loc: Texas
 
I sent this lens back to be repaired because it was making a whirling noise and vibrating. I just got it back today and tried to take pictures and I am getting the same results. I have it mounted on a Nikon D500. I can focus on a subject, and it will make the noise, etc. I take the picture and sometimes I get a vibration. Usually when I take the second picture everything is fine. I go to a different distance to shoot and get the noise and vibration. Is it something I am doing or is it the lens? How should the four settings on the side of the lens be set? I am lucky that I bought the 5 years drop warranty. I have had the lens for three years and rarely used it. A friend tried to take some pictures on his camera and told me the lens was not working properly. Any advice would be appreciated. Looks like I will be sending it back again for further repairs. Thank you.

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May 6, 2024 21:39:20   #
Basil Loc: New Mexico
 
I have that same lens but don't recall ever having that kind of issue (or if I did it wasn't enough to get my attention). Sounds like it might be something to do with the IS (called OS on that lens). I have a Canon 300mm f/4 Prime lens that makes a good deal of noise when I have the IS turned on. Have you tried turning off image stabilization to see if you still get that vibration and noise?

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May 7, 2024 09:09:20   #
maxlieberman Loc: 19027
 
I have the same lens and use it on both my D7500 and Z8, without any problems.

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May 7, 2024 10:13:29   #
abc1234 Loc: Elk Grove Village, Illinois
 
Did you use Sigma, authorized technician or neither? Send it back with the body. If still not satisfied, ask for a refund and send it elsewhere. United Camera Repair in Bensenville, Illinois, is good.

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May 7, 2024 10:17:47   #
Chief EW Loc: Texas
 
I tried turning the OS switch to off and it stop the whirling noises and vibrations. Thank you for the advice

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May 7, 2024 10:27:54   #
Basil Loc: New Mexico
 
Chief EW wrote:
I tried turning the OS switch to off and it stop the whirling noises and vibrations. Thank you for the advice


I just pulled this from the very hard to read (small print) manual:

Quote:
ABOUT OS (OPTICAL STABILIZER) FEATURES
This OS (Optical Stabilizer) lens effectively compensates for image blurring caused
by camera shake. Set the OS (Optical Stabilizer) switch to Mode 1 (fig.5). Press the
shutter button halfway down, confirm the image in the viewfinder is stable then
take the picture. (It takes approximately 1 second to produce a stable image, after
pressing the shutter button halfway). Mode 2, detects the vertical camera shake,
and overcomes blurring. It is effective on subjects moving horizontal to the camera.
􀅦􀀃Please do not use Optical Stabilizer in the following situations.
􀆔 When the lens is mounted on a tripod. 􀆔 Bulb (long time exposure).
􀅦􀀃Although the viewfinder image may appear to shake immediately after shooting
and at the start of the flash charge cycle of the built-in flash of the camera etc., it
will not cause any effect on pictures.
􀅦􀀃If the camera power is turned off or lens is detached while the Optical Stabilizer
function is in operation, the lens may emit a chattering noise, but this is not a
malfunction.
􀅦􀀃For Nikon and Canon mounts, the Optical Stabilizer (OS) function will not work
with film SLR cameras except Nikon F6 and Canon EOS-1V.
ABOUT OS (OPTICAL STABILIZER) FEATURES br This OS ... (show quote)

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May 7, 2024 10:47:07   #
Chief EW Loc: Texas
 
Thanks again

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May 7, 2024 11:40:58   #
jlocke Loc: Austin, TX
 
Sounds like you fixed it by turning off the stabilization on the lens. I had this same lens, and it frustrated me with how many shots were 'almost' in focus when shooting a burst. I found a couple of videos on YouTube showing that the lens tended to hunt for focus at longer focal lengths. I don't remember the photographer, but he demonstrated the lens going in and out of sharp focus when focused on a stationary object. He found this problem seemed to occur more on Nikon mirrorless cameras than on something like the D750.
I sold my Sigma 150-600mm lens and replaced it with the Nikkor Z 180-600mm and I've been quite satisfied.

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May 9, 2024 11:43:16   #
revhen Loc: By the beautiful Hudson
 
So image stabilization (IS) destabilizes the photo taking? So it does just the opposite of what it is supposed to do!

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May 9, 2024 14:24:48   #
Basil Loc: New Mexico
 
revhen wrote:
So image stabilization (IS) destabilizes the photo taking? So it does just the opposite of what it is supposed to do!


If I'm hand holding, I keep OS turned on, and use the appropriate mode (Mode 1 for shooting a still subject at a distance and Mode 2 for panning, such as birds in flight). If I'm using a tripod, I turn OFF OS per the manual a it can actually induce blur as it seeks to stabilize an already stable camera.

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