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The Hyperion
Universal Zoom Mark IV
with 1¼" and 2" nosepiece
Zoom-lenses in general are not really famous for high
quality optics. Also many zoom-eyepieces do not
deliver the best possible image quality at high mag-
nification because they were designed with focus on
the price-tag so that image sharpness and field size is
getting worse with increased magnification.
The recognition that the Hyperion Zoom Eyepiece
enjoys is based on the fact that it was designed the
other way around: the glass selection and most of
all the principal optical design and consequently the
lens polish quality
– all were optimized for the high-
est magnification. And obviously, when closing in on
an object you will want the field of view to increase
and not to have it become seemingly smaller. Hence
the Hyperion-Zoom shows the largest apparent field of view at highest magnification.
For many birders, observers of nature and astronomers alike, the Hyperion Zoom Eye-
piece is their favorite eyepiece, it is also the only zoom-eyepiece that was designed
from ground up to be used with bino-viewers.
Hyperion Universal Zoom
Mark IV eyepiece with
2"-nosepiece
Hyperion Universal
Zoom Mark IV eyepiece
with 1¼" nosepiece
What's new on the Universal Zoom Mark IV?
The fourth generation of this eyepiece weighs 290 gram and is lighter by 80 grams
than its predecessor – it now has 55 mm diameter to become useful in dual mode
from 55 mm interpupillary distance, both features make it especially desirable for use
with bino-viewers. The adjustable eyecup can be removed to expose the M43 video/
photo thread and create the maximum "nose space" for using it on binocular viewers
with the supplied winged rubber eyecups - for maximum concentration on the target.
The click-stop action has been smoothed out to more easily access the magnification
stops at 8/12/16/20 and 24mm. The zooming-mechanism as well as the inner zoom-
ing rails for all lens groups have been modified to improve cold temperature operation
and the parfocalty for each focal length has been finetuned.
Most important however – the Mark IV offers almost 4 mm more backfocus. This is
most beneficial for application with a multitude of spotting scopes. Many spotting
scopes nowadays do allow the mechanical insertion of astronomical 1¼" eyepiec-
es – but in many cases this combo cannot focus to infinity. By utilizing the supplied
spotting-scope adapter ring "A", the Hyperion Universal Zoom almost reaches four
mm deeper into the eyepiece clamp of all those spotters, to safely reach infinity focus.
When using the Mark IV on a telescope though, the "B"-ring (supplied) should be cho-
sen instead, to keep the bottom of the eyepiece flush with the upper end of most star
diagonals. Otherwise the bottom 2" SC-threaded holding ring that holds the "A" or "B"
ring in place may directly rest on the clamping screws of the star diagonal.
The Mark IV comes with both the 2" and 1¼" nosepieces mounted, both are free of
the hated undercuts. Instead our proprietary Zero-Tilt Safety-Kerfs provide an added
measure of security by reducing the tendency of an eyepiece to slip from an unlocked
eyepiece clamp. An additional little feature is the Baader-yellow soft pouch with inte-
grated belt strap – which fastens onto many tripod legs just as well, to serve as a bin
for all dustcaps that may go astray otherwise.
Unchanged is the optical quality, 68° field of view at highest magnification, Phan-
tom Group multicoatings, a large adjustable eyecup or alternatively two M43 rubber
eyecups for bino viewing. An optional spacer ring M43/M43 (#2954250) with 7,5 mm
extension enables the user to increase the height of these eyecups in case of need.
The Mark IV likewise accepts adaptation of the 2.25x Hyperion-Barlow onto the 1¼" nose-
piece, to transform into a high power zoom, featuring the magnification range of 3.6 to
10.7 mm. The Hyperion Universal Zoom Mark IV is available individually (#2454826) or as
set together with the 2.25x Hyperion Barlow (#2454827)
B-Adapter
B-Adapter
A-Adapter
Contents
The Hyperion Universal Zoom Mark IV with 1¼" and 2" nosepiece . . . . . . . . . . . . . . . 2
What's new on the Universal Zoom Mark IV? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Continuosly adjustable Magnifications with ClickStops at 8/12/16/20/24mm . . . . . . . 3
Included Eyecups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Changing the mounting Adapters A and B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Connection Options at the Telescope-side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Connection Options for Spotting Scopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Connection Options for Cameras and Video-Photography . . . . . . . . . . . . . . . . . . . . . 8
Use with Binoviewers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
The optional Hyperion Zoom Barlow Lens – 2,25x . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Instruction manual version 01/2017
