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Zeiss 55mm f1.8 auto focus noise

Igoryane

By Igoryane,
in Sony Alpha Full Frame Lenses

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Igoryane Newbie

Igoryane

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Hello Everyone,

I bought a used Zeiss 55mm 1.8 off eBay and i can hear some noise while auto focusing. You can only hear it when it's quiet in the room.

I am aware of aperture blades clicking noise which is normal for this lens, this is something different. I am getting this while focusing even at 1.8

I made a video, where you can hear it, while it tries to focus at f1.8. The camera is A7R.

https://youtu.be/_nQ3Z0Zs6L4

I also have Sony 35mm f2.8 and Sony 85mm f1.8 and they are completely silent while focusing.

Is this normal?

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Igoryane Newbie

Igoryane

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I went to best buy and compared my lens to a new copy.

The new one was not completely silent, and the tonality was similar, but my lens was louder. Plus I could feel vibrations when my copy was seeking for a focus. And the new lens felt still. I also noticed , that at f1.8 apperture blades were not retracted all the way, until i pressed the AF button. And on the new lens they were retracted all the way. 

I decided to return it and try to get a different one later.

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