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hello - i have an XT-2 and when i use the 16mm f/1.4 in manual focus mode. i switch the dial on the camera to M and when i rotate the focus ring, there's a slight resistance where it feels/sounds like the auto focus motor(?) is being turned. can anyone who's got this lens see if it does the same thing? thanks.

Edited by tokhee
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after doing some research it seems like the grinding noise i get when focusing manually is the norm. it's unfortunate because i purchased the XT-2 to shoot mostly video (4K) and the Rode VideoPro mic picks up the noise, making the footage unusable. 

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thanks for the respond Mike G. but the kit lens, 18-55 doesn't do that when i focus manually. is it only with the prime lenses? 

 

 

I could be wrong, but I'm pretty sure the quiet lenses are the ones with linear focus motors (they use magnets instead of a motor). So far it consists of the zooms and the 90mm IIRC. All the primes use traditional motors - they all vary in noise/volume, but the 16mm is one of the quieter ones. Out of the lenses I own, the 16mm and 56mm are the quietest, and the 18, 23, and 35 are all louder.

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