I keep a "golf" umbrella in the trunk specifically for those windy occasions. Last year I shot a view of the Golden Gate Bridge from the point of an exposed promontory overlooking Marshall's Beach in a Gale - literally. The wind was gusting so strong (40+_mph) that I was afraid to remove a hand from grasping the tripod fearing that a gust would come along and blow the camera (8x10 Toyo) and tripod into the ocean a hundred feet below. With the umbrella open and facing the ocean (wind), the negative came out sharp without a trace of vibration. I was using 100 speed film so the shutter speed from my notes was 1/25 second at f32 with a 610mm apo Nikkor. I printed it as a salt print below:
Thomas
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