I am posting this letter to help those enrolled in upcoming workshops show up better prepared. I use a viewfinder for most of my Plein Air painting. It is a very simple but effective way to compose your painting and help eliminate confusion. To make your own viewfinder, simply cut out the center of a piece of cardboard proportionate to whichever panel you are using. e.g. 12" x 16" panel = 3 to 4 ratio. The opening could be approximately 6" x 8" with a 2" border. I suggest making a few to accommodate your different size canvasses. I will be giving more information on helpful additions to your equipment in my "Plein Air Odyssey" series of books, soon to be available.