Where you shooting with an IS (image stabilization) lens and the IS was turned on? Usually you turn it off on a tripod but if it is on and a little wind rattles, it might try to counteract the movement.
Warren Eig
O 310-470-0905
email: info@babyboompictures.com
website: https://www.BabyBoomPictures.com
For Camera Accessories – Monitors and Batteries
website: https://www.EigRig.com
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