Canon STM vs Tamron HLD Which Is Faster? Autofocus Tracking Speed

Hey Photo Tribe!

Last week I looked at the brand new super wide angle Tamron 10-24mm f/3.5-4.5 Di II VC HLD and many of you wanted to know how it’s HLD (Hi/Low Torque Modulated Drive) worked compared with Canon’s STM (Stepper Motor Technology) when testing speed.

As always,

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