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verted' it also works equally well when the ArcBody
is inverted via the Camera inverter mount (47033)
or otherwise.
Light metering with a Prism meter
viewfinder PME51/PME90
The prism meter viewfinders PME51( incl. earlier
models) and the PME90 can be used for light meas-
urement when attached to the focusing screen
adapter. Proceed as follows:
1. Set shift and tilt controls to zero as accurately
as possible.
2. Remove centre filter
3. Insert a correction slide 'Small' when using a
35 mm and 45 mm lenses, or a stray light pro-
tection slide when using a 75 mm lens.
As the prism meters were designed for use with
standard Hasselblad cameras, slight adjustments
should be made to the exposure reading when fit-
ted to an ArcBody according to the table 'PM' at the
end of the illustration booklet. Column A repre-
sents the prism meter type or mode while column
B represents the lens types and the amount of ad-
justment in EV required.
32
Lenses
Lenses
With the lens and the focusing screen adapter attached to the
ArcBody, the combination becomes a complete camera. As there is
no mirror, the ArcBody behaves in the same manner as a view
camera in the sense that a direct inverted image is formed on the
focusing screen and that the focusing screen has to be exchanged
for a film magazine for exposure.
There are three lenses to choose from that fit the ArcBody: the
Rodenstock Apo-Grandagon 4.5/35, the Rodenstock Apo-
Grandagon 4.5/45 and the Rodenstock Grandagon-N 4.5/75. The
latter two lenses have a similar appearance and are operated in
the same manner. The Apo-Grandagon 4.5/35 has slight differ-
ences in both appearance and operation that are mentioned sep-
arately below. Fig.17 illustrates the features of the Apo-
Grandagon 4.5/45.
Apo-Grandagon 4.5/45
1.
Release catch
2.
Shutter speed scale
3.
Shutter winding lever
4.
Open/close shutter lever
5.
Flash sync terminal
6.
Focusing ring
7.
Focusing scale
8.
Central lens index
9.
Depth-of-field scale
10.
Aperture lever
11.
Aperture scale
17
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