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To shoot photos that are sharp from foreground to infinity, you must focus at the "hyperfocal distance" for the focal length and aperture you're using.
This 3.5" x 5.5" laminated card gives hyperfocal data for MOST Digital SLRs (those with "APS-C" 1.5x or 1.6x chips), including the following:
- Canon D30, D60, 300D, 350D, 400D, 450D, 500D, 550D, 600D, 1000D, 1100D, XT, XTi, XS, XSi, T1i, T2i, T3, T3i, 10D, 20D, 30D, 40D, 50D, 60D, 7D
- Nikon D1, D1H, D1X, D2H, D2X, D2Hs, D2Xs, D40, D40x, D50, D60, D70, D70s, D80, D90, D100, D200, D300, D300S, D3000, D3100, D5000, D5100, D7000
- Fujifilm S1, S2, S3, S5 Pro
- Konica Minolta 5D, 7D
- Pentax istD, istDS, istDL, istDS2, istDL2 K10D, K20D, K100D, K110D, K200D, K2000, K-m, K-7, K-x, K-r, K-5
- Sony A100, A200, A230, A290, A300, A330, A350, A380, A390, A500, A550, A700, A33, A35, A55, A65, A77
Covers the following:
- Lenses from 10mm - 85mm.
- Apertures from f/4 - f/22.
- Distances are given in feet.
Instructions and examples for using hyperfocal distances are included on the card. For more info on depth of field, click here for a Depth of Field Discussion.
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