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Baader Planetarium 8-24mm Hyperion Clickstop Zoom Mark III Eyepiece, for 1.25" to 2" Mounts

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Baader Planetarium HYP-ZOOM: Picture 1 regular $289.00

About Baader Planetarium HYP-ZOOM

The Baader Planetarium HYP-ZOOM is an 8-24 mm Hyperion Clickstop Zoom Mark III eyepiece that includes both 1.25" and 2" barrels. The 2" barrel attaches through an included adapter ring that has standard 2" x 24 tpi SCT threads. The Hyperion Zoom Mark III eyelens barrel has been provided with an M54 thread (covered by the removable rubber eyecups).

A complete system of adapter rings enables cameras to be directly (and rigidly) close-coupled for afocal projection or variably extended for classical eyepiece projection imaging with the T-Adapter and Extension Tubes. A series of 16 threaded rings provides compatibility with just about every digital (CCD/DSLR) and video camera made.

Baader Planetarium HYP-ZOOM Features

  • Consisting of 7 elements, the Hyperion optical design delivers outstanding sharpness and color correction over its field
  • Continuously variable focal length, with click-stops at 8, 12, 16, 20, 24 mm. Remains parfocal across zoom range. Click-stops enable precise focal length matching for bino-viewer use
  • The field of view is 68 degrees at the 8 mm setting, and 50 degrees at 24 mm
  • Excellent viewing comfort. The eye relief of 12-15 mm, large eye lens, and freedom from kidney beaning and blackouts result in a high level of comfort and ease-of-viewing, at all focal lengths
  • Baader Planetarium has gone to great lengths to give the Hyperion Zoom the most advanced multicoatings ever used on amateur telescope eyepieces. The Hyperion Phantom Group multi-coatings truly rival the best in the world - including the famous Zeiss Abbe Orthoscopic
  • Superb fit and finish. Zoom motion is smooth and precise. Barrels are accurately machined on the Hyperion zoom, with excellent surface quality, and hard anodizing. The 1.25" barrel is threaded for standard 1.25" filters and the 2" barrel is threaded for 2" filters
  • Adjustable rubber eyecup works for both normal and eyeglass users. Rotating eyecup incorporates a variable-height helical adjustment for setting the optimal spacing
  • Designed to integrate perfectly with many popular spotting scopes

Baader Planetarium HYP-ZOOM Specifications

Field of View
50deg. to 68deg.
Eye Relief
Focal Length
8-24mm (0.31-0.944")
Barrel Size
1.25" to 2"
57mm (2.24")
370 g (13 oz)
Mfr #

Baader Planetarium HYP-ZOOM Reviews Powered by TurnTo®

Reviewed by 2 customers

(3 of 3 customers found this review helpful)


This zoom is a game changer


As an amateur astronomer, over the years I have heard that zoom eyepieces are a total waste. This one by Baader Planetarium makes a lie of those old adages: the 8-24 zoom will totally change your mind. First, with my 480mm focal length TeleVue 76, this Baader eyepiece at 24mm serves as a finderscope- I can locate my target easily.Then without fear of losing it as I fumble for another eyepiece, I can simply change magnification by twisting the ring on this one. from 20x to 60x with a simple twist! The Baader's parfocal capability insures perfect focus throughout the range, and each major step is indicated by a soft click. Convenient, effective, a great eyepiece.

(10 of 10 customers found this review helpful)


use with Coronado PST w/ Malta tripod


This is a note for Coronado PST solarscope owners who plan on using the Baader Hyperion MKIII Zoom with a lightweight camera tripod or Malta mini-tripod. The eyepiece is tremendously large and heavy, closer to the size of a soda can than a film canister, and could easily tip over a small tripod due to weight at normal viewing angles or make it easy to tip over a lightweight tripod due to imbalance. Highly advise to use with a counter-weighted mini tripod or heavier astronomy tripod - then it would be excellent, though without that option: find a smaller eyepiece. Approximate dimensions: 5" x 2" diameter.


Questions & Answers Powered by TurnTo®

Questions about this item:

Eduardo C  In the overview says about 16 rings, those rings are in the box, or sold separately? Regards
STEVEN C  Sold separately. What rings you need depend heavily on what camera you might attach to it or how much focus distance or connector sizes you might need. I have used this on many scopes all the way from a PST to a high end SCT and refractor for a variety of things. Being able to change the zoom without replacing the eyepiece has been useful.
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