Even
Bestsellers can be improved: This most highly rated Hyperion
zoom-eyepiece is available now in its fourth generation and has become a
lot more versatile. The 290 gram housing is lighter by 80 grams and now
features a slim 55 mm diameter, both features that make it even
more desirable for use with binoviewers. The adjustable eyecup can be
removed to expose a video/photo thread and create the maximum in "nose
space". The click-stop action has been smoothed out to more easily
access the magnification stops at 8/12/16/20 and 24mm. Click-stops are
mandatory to easily and precisely set both eyepieces to the same focal
length for effortless binocular observation without eye-strain. The
zooming-mechanism as well as the inner zooming rails for all lens groups
have been modified to improve cold temperature operation and the
parfocality 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" eyepieces –
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 almost four mm deeper into the eyepiece clamp of all
those spotters, to safely reach infinity focus. When removing the 1¼" nosepiece,
a 1 3/8" thread inside the "A"-ring will make the Mark IV firmly
thread onto all Celestron-Ultima spotters and it´s namesakes. Optional
available is a bayonet-adapter for Zeiss Diascope-spotters. Threaded
adapters for many other famous spotting scope brands (that still don´t
allow 1¼" eyepiece adaptation) will become available in the future – now that it makes sense to produce them.
When
using the Mark IV on a telescope though, the "B"-ring (supplied) should
be chosen 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 supplied 2" SC-ring
also allows the Mark IV to firmly mount the eyepiece onto any SC-thread,
especially onto our 2" clicklock star diagonal, with the help of the
2"/2" adapter.
The Mark IV comes with both the 2" and 1¼" nosepieces mounted, each nosepiece having it´s own dust cap and both nose pieces being threaded to accept either 1¼" or
2" eyepiece filters. Both nosepieces 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 integrated belt strap – which fastens onto
many tripod legs just as well, to serve as a bin for all dustcaps that
may go astray otherwise.
As
usual with Baader eyepieces, the Mark IV offers an M43 photo/video
thread on top of the eyepiece, to allow attachment of any desired DSLR
or T-2 accessory for mounting a video-camera by means of the optional
M43/T-2 adapter ring Baader Part #2958080.
Unchanged is the optical quality, 68° field of view at highest
magnification, Phantom Group multicoatings, a large adjustable eyecup or
alternatively two M43 rubber eyecups for bino viewing. An optional
spacer ring M43/M43 (Baader Part #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" nosepiece,
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). The set of the zoom with Barlow together is a custom order, and not regularly stocked.
A high quality zoom eyepiece for demanding users who prefer to own one zoom eyepiece instead of a large selection of separate fixed focal length eyepieces.
At 8mm focal length the Hyperion zoom has the same large field of view as the regular Hyperions.
It narrows down to about the field of view of an Orthoscopic at 24mm.
This is still a lot more than many simpler zoom eyepieces!
Specifications and Features:
- Field of View 44-68 degrees
- Eye relief varies from 19mm to 16mm
- (with click-stop for the focal lengths 8 / 12 / 16 / 20 / 24mm)
- incl. thread for adaptation to (nearly) all Celestron Ultima spotting scopes
- incl. thread for adaptation to all Carl Zeiss Diascope spotting scopes
- incl. extendable Helicoil rubber eyeguard
- incl. SP54 Hyperion thread for projection photography with compact digital cameras
The Hyperion Zoom comes with both a 1.25" and 2" barrel.
When removed the Hyperion Zoom has a thread that connects to many spotting scopes.
It has the same optical quality as comparable eyepieces with fixed focal lengths and offers additional versatility.
Advantages of the Mark IV Zoom:
-- High optical quality even if compared with similar eyepieces with fixed focal lengths
-- 1.25 and 2" barrels (comes with adapters to use both ways)
-- Two adjustable eyecups: a comfortable wide one and a slim one for binocular use
-- Direct connection to T2 thread with an optional adapter
-- Fully multi-coated
-- Matte-blackened interior for high contrast
-- Parfocal: Changing the magnification does not alter focus by more than a little
-- Useful carrying and storage pouch
Can be used with the special Hyperion Zoom Barlow (see product elsewhere on this site)::
The Hyperion Zoom Barlow is designed especially for the Hyperion Zoom Eyepiece. It increases the Magnification by a factor of 2,25x. Sharpness in the center and in the field is not affected.
The Barlow transforms the Hyperion Zoom into a real planetary eyepiece, covering the range from 3,5 mm to 24mm.
Optimal for binoviewer use:
The slim eyecups are ideally suited for binoviewer use. The click-stop mechanical system allows setting identical focal lengths at both eyepieces.
Excellent price, better service 
A great eyepiece, for what it is