Reader's Comments - Index of - Free

Pinhole Photography
10 0.14 70 20
20 0.20 100 40
30 0.24 125 60
40 0.28 140 80
50 0.31 160 100
60 0.34 180 125
70 0.37 190 140
80 0.40 200 160
90 0.42 214 180
100 0.45 220 190
150 0.54 280 300
200 0.63 318 400
250 0.70 360 500
300 0.78 380 560
350 0.84 418 700
400 0.89 450 800
Focal length
(mm)
Fuller (1992)
Pinhole diameter
(mm)
Approx. fstop
50 0.26 200
75 0.32 220
100 0.45 240
150 0.55 270
200 0.63 320
250 0.71 350
300 0.77 390
350 0.83 420
400 0.89 450
500 1.00 500
It should be borne in mind that for most purposes the diameter is not really critical,
as the different values in the charts above may demonstrate.
http://www.photo.net/photo/pinhole/pinhole (22 of 28)7/3/2005 2:15:39 AM