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Forums > Back > Next OL lens test report - Canon RF 24-70mm f/2.8 USM L IS
Brightcolours
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03-03-2020, 10:56 AM (This post was last modified: 03-03-2020, 11:00 AM by Brightcolours.)
(03-03-2020, 10:07 AM)Klaus Wrote: Big and good

https://www.opticallimits.com/canon_eos_...f2470f28is

"The Nano USM AF system utilizes both a ring-type USM (ultrasonic) and an STM (stepping motor) mechanism."
It does not have a ring-type USM, not a STM. It has a nano-USM which is neither and just one motor...
https://www.usa.canon.com/internet/portal/us/home/learn/education/topics/article/2018/July/Nano-USM-A-New-Ultrasonic-Motor-Technology/Nano-USM-A-New-Ultrasonic-Motor-Technology

The lens renders impressively smoothly. But, indeed it is expensive.
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RE: Next OL lens test report - Canon RF 24-70mm f/2.8 USM L IS - by Brightcolours - 03-03-2020, 10:56 AM

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