The reflection of big leaf maples in the Merced River in Yosemite Valley is very distinct. Shoot the color this week a these type leaves fall quickly. This photo was made on October 22, 2011 with a Canon 5D MkII camera using the Canon 24-105mmL zoom set to 28mm. The exposure was 1/30 sec. at f/9.5 using ISO 400 and a Polarizing filter. For more information on exposure and filters, check our Tips and Techniques section. 163