From http://www.outsight.com/hyperfocal.html#dof
Have a Digital Camera? Before using the basic calculators on this page or the Chart Makers for a digital camera, you must determine your digital camera's Lens Multiplier Factor (LMF) which is simple to do.
Hyperfocal Calculator Use this calculator to find the maximum focus range, or hyperfocal, for any aperture and lens focal length combination. I carry a list of hyperfocal settings for commonly used f-stops and focal lengths for my zoom lenses that don't have depth of field guidemarks.
Hyperfocal Distance Chart Maker - A Premium Service Quickly customize, create, and print charts of hyperfocal distances for any ten apertures and ten lens focal lengths. Select distance units in feet or meters. Choose from seven film formats or use the LMF for your digital camera. The Chart Maker instantly creates concise, easy to read tables with this valuable information. Just print them and you're done! Details
Focus Limits Calculator Doing critical close up work? Selective focus? Here's a handy tool. Enter either the aperture and focus distance to determine near and far focus limits, OR enter near field and far field limits to determine f-stop and focus setting... if it's possible!
Focus Limits Chart Maker - A Premium Service Quickly customize, create, and print easy-to-read charts showing near and far focus limits for single focal length at any ten apertures and ten focus distances. Select distance units in feet, inches, meters, or centimeters. Choose from seven film formats or enter the LMF for your digital camera. Shows hyperfocal distances too. Essential information for your camera bag. Details
Depth of Field? Here's a quick explanation if you don't know what this is.
The Equations For the mathematically inclined...
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