14
Instruction Manual: Hyperion
®
Zoom Mark IV
Use with Binoviewers
The Hyperion
®
Universal Zoom Mark IV has an outermost
diameter of just 55 mm, which makes it a perfect choice for
bino-viewers. People of all ages, even children with an interpu-
pillary distance of just 55 mm, can use a binoviewer with two
Mark IV Zoom-eyepieces – a big advantage e.g. for public
observatories. The click-stops greatly ease the quick
change of magnification without even having to look at
the eyepiece scales.
By removing the height-adjustable eyecup, a huge gain
in “nose space” is achieved. The stepped eye-piece
housing offers the dearly needed space for your
nose, such it becomes much easier to find the best
viewing position to observe comfortably with two
eyepieces side by side. By choosing the winged
eyecups instead of the height-adjustable ones,
even wearers of glasses can observe comfort-
ably with both eyes.
Space for your nose
– and a comfortable
viewing behaviour
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Note: we recommend the short-
er adapter ring „A“ (for spotting
scopes) also for observations
with bino-viewers, together with
the 1¼" nosepiece. You will gain
about 4 mm of optical length com-
pared to using the adapter ring
„B“ (for telescopes). Observing
with any binoviewer regularly forc-
es the user to fight for every mm
of back-focus in order to achieve
a focused image, just like when
using a spotting scope.