From Nikonians Wiki
This is "gravity works as expected" on older zoom lenses with a push-pull zoom mechanism. When carried, attached to a camera with the lens pointing downwards, the lens will move (barrel moves out) and change focal length.
Modern zoom lenses have a turn-to-zoom mechanism that are not prone to this.
- This page was last modified on 30 January 2021, at 14:01.
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