The popular Beauty Retouch function allows users to give photos a variety of cosmetic effects and Auto Retouch adjusts contrast and brightness levels to give photos a different look.

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It makes quite a contrast to the biggest U.S. auto parts suppliers, Delphi and Visteon Corp.

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In dark or low-contrast scenes, it can be difficult for the auto focus to operate properly.

ENGADGET: Olympus Stylus TG-625 Tough adds AF light for tricky shots in rough situations

Contrast that with the question of whether Facebook should be auto-identifying you to your friends who already know what you look like.

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Mr. Santorum espouses an economic nationalism and highlights his steel-town Pennsylvania heritage as a contrast to Mr. Romney's background as son of an auto-company chief executive.

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The new AF Focus Illuminator is a supplemental light included for those times when auto focus has difficulty focusing in dark places, or in scenes with particularly low contrast.

ENGADGET: Olympus Stylus TG-625 Tough adds AF light for tricky shots in rough situations