15
4. Supplementary
Equipment
4.1. Eyepieces
4.1.1.
Fixed eyepieces
are available for
different magnifications (first number) and with
different field of view numbers (second number).
With its assistance the total magnification can
be changed beyond the range of the
magnification changer, without the work
distance is affected. All eyepieces are
equipable with eyecups. All eyepieces GF – Pw
10x/20 and GF - P 16x/12,5 are usable as
eyeglass (spectacles) wearer eyepieces
(eyeglass symbol,
) .
4.1.2
. Adjustable eyepieces
will be offered
for
simple measurements or for counting and can be
fitted with various reticles.
The fixed eyepiece will be removed and the
adjustable eyepiece will be inserted. By setting
the eye lens the adjustable eyepiece will be
focused on the reticle.
4.2. Tubes
4.2.1. The
monocular straight
tube is a tube,
which is used mainly as the second
perpendicular observation view in connection
with a binocular straight tube and a Phototube
pic.7: monocular straight tube
4.2.2. The polarized light able
binocular
straight tube
requires the use of two oculars of
the same enlargement [a fixed ocular for the left
adjustable tube pipe and an adjustable ocular]
for the right fixed tube pipe.
The sharpness adjustment can be done with the
adjustable eyepiece for the right side and with
the dioptre ring for the left side.
pic.8: binocular straight tube
The standard equipment of the binocular straight
tube is prepared for eyepieces with a plug-in
diameter of 30 mm. A special equipment is
prepared for eyepieces with a plug-in diameter
of 23,2 mm, or 23,2 mm eyepieces can also
be used in case with a special adapter.
