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PARA-MAG™, THE COLLIMATING MAGNIFIER FOR THE GRAPHIC ARTS
ELIMINATES PARALLAX Final register is no better than the
accuracy of the stripping and lining up. Whether stripping
to register marks, wet or dry, negative or positive image,
or to blue line, the error of eye position or parallax can
spell the difference between good or poor register. PARA-MAG
will completely eliminate parallax error.
In using the photocomposing
machine, many printers require that, for critical register,
a plate be printed completely
by one person. The reason is that each platemaker by virtue
of height or personal technique looks at a line up mark differently
in locking up the chase. The PARA-MAG can eliminate this
difference by requiring that each operator look at the marks
the proper way — at a right angle to the film surface.
FEATURES The PARA-MAG
contains 7 or 10 power, flat field, coated, achromatic lenses.
We use achromatic optics because
we believe that anyone using a magnifier a good portion
of the day needs to have the best, fatigue-free optics that
can be designed. The unit is equipped with contrasting sighting
rings which, when visually centered, indicate that the
eye
is exactly at a right angle to the surface. The bottom
section of the PARA-MAG is made of a light-diffusing plastic
which
allows its use with negatives where the amount of light
reaching the lens system is low. This feature also allows
lining up
film or glass with prints made on opaque material. The
bottom surface of the PARA-MAG is shaped to prevent suction
if used
in wet stripping.
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