F.stop, Shutter Speed, Focus, Exposure, Etc
© Leehman Wexlinto strive for
© bob garasTriumph!
© Stephanie AdamsMysterious
© Dolores NeilsonSimplicity of Shapes and Colors
© Rick G. VincentBar Belles
© Patricia MarroquinScience World
© Dan HutchinsonCalculating Lady
© Dolores NeilsonLone Wolf in Aspen
© Darwin Wiggett