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Original was a pump extend, new version has a twist extend. ;-)
Sorry, there was a problem. Please try again later.Old version of this lens zooms in and out by sliding the lens in and out like a trombone. The new one is a twist like all or most other camera lenses
Sorry, there was a problem. Please try again later.The lens is very fast. Push and pull to zoom as in the past you turned to zoom.
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