Tamron 100-400 AF squeaky & grinding... Normal?

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doak Regular Member • Posts: 215
Tamron 100-400 AF squeaky & grinding... Normal?

Hello,

I bought a used Tamron 100-400 f4.5-6.3 VC USD EF mount & Fringer adapter hoping it would be able to replace my Fuji 100-400 to save some money and weight.

When i tested the Tamron the AF is intermittently squeaky accompanied with some high pitched grinding sounds.  Is this normal?

The AF does hunt some (lens, Fringer and Fuji X-S10 all have latest firmware) which isn't unexpected but occasionally when the AF reverses direction it seems like the lens VC is affected cause the viewfinder image jumps.

thanks!

 doak's gear list:doak's gear list
Canon G7 X II Fujifilm X100V Fujifilm X-S10 Fujifilm XF 18mm F2 R Fujifilm XF 55-200mm F3.5-4.8 R LM OIS +6 more
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