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Noise when changing aperture on my Tamron 17-70mm?

Started 3 weeks ago | Questions thread
Lettermanian
Lettermanian Senior Member • Posts: 2,389
Re: Noise when changing aperture on my Tamron 17-70mm?

Photoswithreg wrote:

I recently purchased a Fuji X-H2 and a Tamron 17-70mm lens and I noticed that when I change aperture’s via the X-H2 the lens makes a mechanical noise. It’s not super loud or anything but I wondered if that’s normal or not?

I use it on my X-T3, both with the latest firmware (as an aside, make sure the lens firmware has been updated to 2.01). The noise (though low) is present when the camera is in either auto or manual shutter or aperture mode. It is mostly noticeable when the aperture adjusts to varying exposure from moving the camera around; I don't hear any noise just by manually selecting aperture values with the dial. When aperture and shutter are both set to manual, the lens is silent, as the exposure changes then come from ISO adjustments (ISO in AUTO). It would be interesting to ask on the Sony forum if the same behaviour occurs with Sony cameras...

FWIW, I also tried my Fuji 70-300 and my Zeiss 12mm f2.8, and both of these lenses are silent when adjusting the aperture with the front dial. The noise doesn't bother me, and in all other respects I quite enjoy the lens. On the X-T3 it has only a minimally slower start-up time than my 70-300 and my Zeiss 12mm, usually ready in one second or less ( I have sensor cleaning set to activate when I power off the camera).

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 Lettermanian's gear list:Lettermanian's gear list
Fujifilm X-T3 Carl Zeiss Touit 2.8/12 Tamron 17-70 F2.8 Di III-A VC RXD Fujifilm XF 70-300 F4-5.6 R LM OIS WR
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