Archived posting to the Leica Users Group, 1999/12/08
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Here's the dof table for the Voigtländer 25mm f/4 Skopar. The abbreviation
'inf' is used to designate infinity, below.
f4 f5.6 f8 f11 f16 f22
- -----+------------------------------------------------------------------
inf. | inf-4.93 inf-3.58 inf-2.54 inf-1.81 inf-1.29 inf-0.93
3.0m | 7.46-1.89 17.54-1.66 inf-1.40 inf-1.15 inf-0.92 inf-0.72
1.5m | 2.11-1.17 2.50-1.08 3.48-0.97 7.84-0.84 inf-0.72 inf-0.59
1.0m | 1.23-0.85 1.35-0.80 1.58-0.74 2.08-0.67 3.88-0.59 inf-0.50
0.7m | 0.80-0.62 0.85-0.60 0.93-0.57 1.07-0.52 1.39-0.48 2.40-0.42
M.
- --
Martin Howard |
Visiting Scholar, CSEL, OSU | What boots up must come down.
email: howard.390@osu.edu |
www: http://mvhoward.i.am/ +---------------------------------------