iom_keith: Demonstrating Depth of Field f4 @ 1/60th
iom_keith: Demonstrating Depth of Field f4.5 @ 1/60th
iom_keith: Demonstrating Depth of Field f5.6 @ 1/45th
iom_keith: Demonstrating Depth of Field f6.7 @ 1/30th
iom_keith: Demonstrating Depth of Field f8 @ 1/20th
iom_keith: Demonstrating Depth of Field f9.5 @ 1/15th
iom_keith: Demonstrating Depth of Field f11 @ 1/10th
iom_keith: Demonstrating Depth of Field f13 @ 1/8th
iom_keith: Demonstrating Depth of Field f16 @ 1/6th
iom_keith: Demonstrating Depth of Field f19 @ 1/4
iom_keith: Demonstrating Depth of Field f22 @ 3/10th
iom_keith: Demonstrating Depth of Field f27 1/2th
iom_keith: Demonstrating Depth of Field f32 @ 7/10th