Article: ExpoDisc Announces ExpoAperture Depth-of-Field Guide -- Simple, Fast and Accurate; Company Also Changes Name to ''ExpoImaging''.

MORGAN HILL, Calif. -- ExpoDisc Inc., the pioneer in diffusion filters that allow photographers to balance color at capture, today announced the ExpoAperture Depth-of-Field Guide, a small circular pocket guide that enables photographers to quickly determine the maximum and minimum depth of field for a given focal length and aperture size.

The new Depth-of-Field Guide is compatible with all film and digital SLR cameras. Suggested retail price is $19.95. The versatile new Depth-of-Field guide is intended for the educational, hobbyist and professional markets.

In addition, the company announced today that is has changed its name to ExpoImaging, a name the ...

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