rscheffler Offline Upload & Sell: Off
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Yes, there is kind of a click at the very beginning when IS engages and at the end when it shuts off. My copy does it, as do other IS lenses I own, though other lenses may not be quite as loud. It may have to do with the nature of the IS system in each lens. Some are likely larger than others. From what I recall reading about the 85/1.4, its IS module is quite large relative to the size of the lens. IIRC similar in size to the one in the 400/2.8. I just compared it against my 70-200/4L IS and IS actuation is similar in nature/volume, but the zoom's IS is much more audible while operating than the 85's... Also just tried the 16-35/4L IS and 35/2 IS. The 16-35 has a quieter IS actuation sound and the 35 is barely audible.
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