Tip of the Day: Eliminate the Spot

From Expose and Lighting for Digital Photographers Only by Michael Meadhra and Charlotte K. Lowrie (Wiley, 2007, $35)

If your flash pictures have a dark spot at the bottom of the frame, the problem may be an oversized lens. Large lens hoods, super telephoto lenses, very large-aperture lenses, and very wide lenses can all partially obstruct the light from built-in flash units.

From Expose and Lighting for Digital Photographers Only by Michael Meadhra and Charlotte K. Lowrie (Wiley, 2007, $35)