Foggy Morning on Doty Island

foggy-morning-on-doty-island

October is here and the mornings are starting to feel like Fall.  I have been out and about the past few weeks on a variety of assignments for my day job.  The next few weeks will be about the same.  This shot was taken on Doty Island as the fog started to clear.  I only had my 100mm lens with me so I had to take 5 shots and stitch them together into a panorama.

With the 100mm I set my shutter speed at 1/100 sec (about as slow as I dared to avoid camera shake).  At a f/9 aperture, to get good depth of field and sharpness, I had to set the ISO to 640.  Why 640?  While there is a lot of discussion on the internet I have found that the lowest noise ISO settings for my 5D III are in multiples of 160.  Now, with a foggy morning and ISO this low it probably does not make a difference!

Canon 5d MkIII | Canon 100mm Macro f/2.8 L | 1/100sec at f/9.0

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