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The lens hood may intrude into the light path of the built-in flash unit, resulting in a shadow at the bottom of the
picture. Either remove the lens hood, or use an external flash unit. If the lens has a built-in lens hood, it should
not be used with the built-in flash, as it may cause a shadow in part of the picture.
Depending on the lens, zoom setting, and focusing distance, the following lenses may also intrude into the light
path of the flash.
Large Diameter Lenses:
28-70 mm F2.8, 70 - 210 mm F2.8, 180 mm F2.8 etc.
Long Zoom Lenses:
70-300 mm F4-5.6, 28-200 mm F3.8 - 5.6 etc.
Super Telephoto Lenses:
300 mm F2.8, 400 mm F5.6 etc.
Built-in Lens Hood Lens:
21-35 mm F3.5 - 4.2, 14 mm F3.5 etc.