Archived posting to the Leica Users Group, 1999/12/08

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: [Leica] RE: [Leica] DOF table for Voigtländer Skopar
From: "B. D. Colen" <bdcolen@earthlink.net>
Date: Wed, 8 Dec 1999 15:27:39 -0000

So tell us more! Greater depth of field, or less? And how?

> -----Original Message-----
> From: owner-leica-users@mejac.palo-alto.ca.us
> [mailto:owner-leica-users@mejac.palo-alto.ca.us]On Behalf Of Mark
> Rabiner
> Sent: Wednesday, December 08, 1999 8:11 PM
> To: leica-users@mejac.palo-alto.ca.us
> Subject: Re: [Leica] DOF table for Voigtländer Skopar
>
>
> Martin Howard wrote:
> >
> > 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.
> >
> Comparing the DOF scale on my 24 M shows huge differences?!
> Mark Rabiner
>