Wrong----on a Speed of Crown Graphic with the Kalart rangefindger you can
focus more than one len. You need not go to the ground glass to handel
longer or shorter lenses. You find were the infinity is on said len is
and lock it down with another set of Graphic infinity blocks. Then use
the rangefindger as normal. The rangefindger is stupid, it doesn't know
what lens is on the camera, all it knows is were 10-15-25-50 etc. feet
are, it's an optical ruler. Sometime people want to make takeing harder
then it is.
T. Mike
-----Original Message-----
From: Eric Goldstein <egoldste@xxxxxxxxx>
To: rollei_list@xxxxxxxxxxxxx
Sent: Thu, Aug 30 6:15 PM
Subject: [rollei_list] Re: 6 x 9 search
A 60ish mm lens on 23 is about a 28 mm (or shorter) on 35 format. See
the DOF numbers I sited, generated with about a f/1200 of the FL
Unless you are shooting close and very wide open, you won't need to
focus this lens with anything except the distance scale...
Eric Goldstein
--
On 8/30/07, Richard Knoppow <dickburk@xxxxxxxxxxxxx> wrote:
The problem with Speed or Crown Graphics with Kalart
side rangefinders is that the RF is adjusted for only one FL
lens. Other lenses can be focused on the ground glass but
that precludes certain kinds of photography. On a 4x5 the
lensboard is riding the inside part of the rail and the drop
bed must be used so the rangefinder won't work even if it
could be adjusted for such a short FL. This might work on a
2x3. I don't have a Pacemaker 2x3 so I don't know how it
would work with a short FL lens. Normal for these cameras is
either 102mm or 105mm, the diagonal being about 102mm so a
60mm lens is not that short, about equal to a 90mm on a 4x5.
Has anyone here had experience with the rangefinder
Mamiya or similar cameras? They look interesting for
hand-held work and I see them occasionally at local camera
sales. Lenses for other Mamiya cameras seem to be excellent
so perhaps this is a sleeper.
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
---
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