ExpoDisc ExpoAperture Depth-of-Field Guide : ExpoDisc, 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 company believes better reflects its expanding product line.
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