Here is your customised Depth of Field Chart. See below for instructions.

 Depth of Field Chart 50 mm lens johnhendry.com
Units: Feet
CoC: 0.028		 f 1.0 f 1.4 f 2 f 2.8 f 4 f 5.6 f 8 f 11 f 16 f 22 f 32 f 45 f 64 f 90
2 ft FF2.01 2.02 2.03 2.04 2.05 2.07 2.11 2.15 2.22 2.33 2.50 2.79 3.34 4.62
NF1.99 1.98 1.98 1.97 1.95 1.93 1.90 1.87 1.82 1.75 1.67 1.56 1.43 1.28
DoF0.03 0.04 0.05 0.07 0.10 0.14 0.20 0.29 0.41 0.58 0.84 1.23 1.91 3.35
3 ft FF3.03 3.04 3.06 3.08 3.12 3.17 3.25 3.37 3.55 3.84 4.35 5.34 7.89 24.3
NF2.97 2.96 2.94 2.92 2.89 2.84 2.78 2.70 2.60 2.46 2.29 2.09 1.85 1.60
DoF0.06 0.08 0.12 0.16 0.23 0.33 0.47 0.67 0.95 1.38 2.06 3.25 6.03 22.7
4 ft FF4.05 4.08 4.11 4.15 4.22 4.32 4.47 4.70 5.06 5.68 6.89 9.82 24.7 ∞
NF3.95 3.93 3.90 3.86 3.80 3.72 3.62 3.48 3.31 3.09 2.82 2.51 2.18 1.83
DoF0.10 0.15 0.21 0.30 0.42 0.60 0.85 1.21 1.75 2.60 4.07 7.31 22.5 ∞
6 ft FF6.12 6.17 6.25 6.36 6.52 6.76 7.14 7.75 8.81 10.9 16.6 61.0 ∞ ∞
NF5.88 5.84 5.77 5.68 5.56 5.39 5.18 4.90 4.55 4.14 3.66 3.16 2.64 2.14
DoF0.24 0.34 0.48 0.68 0.96 1.37 1.96 2.85 4.26 6.79 12.9 57.8 ∞ ∞
8 ft FF8.22 8.31 8.45 8.65 8.96 9.43 10.2 11.5 14.0 20.3 55.6 ∞ ∞ ∞
NF7.79 7.71 7.59 7.44 7.23 6.95 6.59 6.14 5.60 4.98 4.31 3.62 2.95 2.34
DoF0.43 0.61 0.86 1.22 1.73 2.48 3.59 5.33 8.38 15.3 51.3 ∞ ∞ ∞
10 ft FF10.4 10.5 10.7 11.1 11.6 12.3 13.7 16.1 21.6 41.6 ∞ ∞ ∞ ∞
NF9.68 9.55 9.37 9.13 8.82 8.40 7.88 7.25 6.51 5.68 4.82 3.97 3.18 2.48
DoF0.67 0.95 1.35 1.92 2.74 3.94 5.79 8.88 15.1 35.9 ∞ ∞ ∞ ∞
15 ft FF15.8 16.2 16.7 17.5 18.8 21.0 25.2 35.1 79.1 ∞ ∞ ∞ ∞ ∞
NF14.3 14.0 13.6 13.1 12.5 11.7 10.7 9.54 8.29 6.99 5.72 4.56 3.54 2.69
DoF1.52 2.16 3.07 4.39 6.34 9.36 14.5 25.6 70.8 ∞ ∞ ∞ ∞ ∞
20 ft FF21.5 22.1 23.1 24.7 27.4 32.4 43.6 85.5 ∞ ∞ ∞ ∞ ∞ ∞
NF18.7 18.3 17.6 16.8 15.7 14.5 13.0 11.3 9.60 7.90 6.32 4.92 3.75 2.81
DoF2.72 3.87 5.52 7.95 11.7 18.0 30.7 74.2 ∞ ∞ ∞ ∞ ∞ ∞
Hyperfocal 293 207 146 104 73.2 51.8 36.6 25.9 18.3 13.0 9.15 6.47 4.58 3.24

           

Printing this Chart

Simply select File->Print from your browser. If you find the chart is in black and white when you wanted one in colour you may be able to adjust your browser to print background colours. In Internet Explorer this can be done by going to Tools->Internet Options->Advanced, and making sure the 'Printing' option 'Print background colors and images' is checked. Alternatively if you want a quick fix for a black and white printout, uncheck this option. Your mileage may vary with other browsers.

Using this Chart

Check you are using the correct table for the lens and camera in use. The lens focal length is printed in the centre of the title bar, and the chart units and the Circle of Confusion (mm) used to calculate the chart are shown below the title bar in the top left.

Look down the left hand side and find the distance the lens is focused at. There are three rows corresponding to each focus distance labelled as follows :

  • 'FF' - this is the far focus limit.
    A subject beyond this distance will be unacceptably sharp.

  • 'NF' - this is the near focus limit.
    A subject nearer than this distance will be unacceptably sharp.

  • 'DoF' - this is the depth of field.
    This is expressed as the distance from the near focus limit to the far focus limit.

Look along the rows corresponding to the lens focus distance and find the FF, NF, and DoF, for the aperture in use.

Everything between the near focus limit (NF) and the far focus limit (FF) will be in focus, and the extent of this interval of acceptably sharp focus is indicated by the depth of field (DoF).

The last row in the chart indicates the hyperfocal distance for this lens at each aperture. If the lens is focused at the hyperfocal distance, everything from half the hyperfocal distance to infinity (∞) will be acceptably sharp.

Please note : The notion 'acceptably sharp' depends entirely on the size of the Circle of Confusion you have defined and your intended negative and print formats. Also at close distances inaccuracies may occur as these calculations assume distances from the centre of a simple lens, but for more complex lens designs the reference point for focus distance may not necessarily fall in the centre of the lens barrel.

Every effort has been made to produce accurate results with this application, but no guarantees of accuracy are made or implied.

Please direct any comments, suggestions, or bug reports you may have to
info@johnhendry.com

Thankyou,

John Hendry