Ihagee EXA IIa, Руководство пользователя

Страница: 42 / 44

36
most economical employment of the EXA IIa in
the widest possible variety of specialized fields.
The individual components of the “Vielzweck”
Equipment can be used both singly and in
combination with one another, and it is possible
to build up the equipment piece by piece. The
following units are available:
The Swing Angle Attachment with focusing slide
for convenient close-up focusing when using
the Bayonet Adapter Rings and Extension Tubes.
The large Bellows Attachment, for the most effi-
cient production of close-up pictures, particular-
ly at extremely short subject distances.
The bellows extension is continuously adjust-
able from 35 to 220mm, making it possible to
obtain all scales of reproduction obtainable
within this range.
The Transparency Copying Equipment for use
with the large Bellows Attachment is employed
for making optical duplicates of transparencies.
The Copying Stand and Repro Attachment
(Fig. 36), obtainable if desired with their own
Lighting Equipment, are designed specially for
undertaking copying work, but are also suitable
for use as table stands for other types of close-
up photography. The Repro Attachment may
also be employed with the addition of special
accessories for photomicrography.
Stereo Attachments (Fig. 37)
These are designed for taking three-dimension-
al photographs. The large Stereo Attachment
(65mm interpupilliary base) is for taking pictures
of subjects at distances from oo (infinity) down
to 2 meters (6tlrft), whilst the small Stereo
Attachment is for use with subjects at distanc-
es between 2 meters and 0.15 meters (6 ft-6
in.): three supplementary lenses are available
for focusing at close distances with the small
Stereo Attachment. Both the Stereo Attach-
ments are computed for use only with standard
50 mm lenses, and can be screwed into their
front mounts; suitable lenses include the Jena T
f2.8/50 mm with click-stop diaphragm and also
the Jena T f2.8/50 mm and Pancolar f2/50 mm
with fully-automatic spring diaphragms. With the
aid of an adapter ring, these attachments can