Baader Hyperion Zoom Eyepiece

Baader Hyperion Zoom Eyepiece
Baader Hyperion Zoom EyepieceBaader Hyperion Zoom EyepieceBaader Hyperion Zoom EyepieceBaader Hyperion Zoom Eyepiece


In stock - Shipped 1-2 working days.

Model:  hyperion_zoom
Part Number:  2454826
Brand:  Baader

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NEW smaller, lighter Baader Hyperion Mark IV Zoom.

This 4th generation Baader Hyperion 8-24mm Click-stop Zoom is smaller (55mm wide) and lighter (290 grams) than its predecessor (the Mk-III model was 80 grams heavier). This makes it an especially good choice for use with binoviewers.

The click-stop mechanism has been improved - it has the usual 8, 12, 16, 20 and 24 mm indentations but the mechanism is softer and more reliable in very cold conditions. 

It has an additional four millimeter 'back-focus' so is more compatible with spotting scopes that accept 1.25" eyepieces. The longer back-focus, together with Baader's type A adapter ring, means it is more likely to achieve focus at infinity when used with a spotting scope and, when the 1.25 "nose-piece is removed, a 1 3/8" thread is revealed that enables the eyepiece to be screwed directly to Celestron Ultima spotters. A bayonet adapter is also available that enables the eyepiece to be used with Zeiss Diascope spotters.  

The optical quality and specification is unchanged - it has the same wide 68 degrees FOV at 8mm and 50 degrees at 24mm and features Baader's 'Phantom Group' multi-coating on all air-to-glass surfaces.

It also remains fully compatible with the Baader 2.25 x Hyperion Barlow (sold separately). 

As with previous Baader Hyperion Zoom eyepieces, the Mark IV model features a M43 thread for easy connection to a DSLR or T2 accessory via an optional M43 / T2 adapter. 

The eyepiece is supplied with 1.25 and 2" nose-pieces that feature Baader's patented 'Zero Tilt Safety Kerfs' for added peace of mind (less likely to fall out of the eyepiece holder). A yellow storage pouch is also included. 



  • Seven element, multi-coated optics for remarkable sharpness, contrast and colour correction.

  • Smooth zoom action with click-stops at 8, 12, 16, 20 and 24mm.

  • Parfocal across the entire zoom range.

  • Wide 68 degrees FOV at 8mm, 50 degrees at 24mm.

  • 12-15mm eye-relief and adjustable rubber eye-cup for comfortable viewing with or without spectacles.

  • Includes both 1.25” and 2" barrels - threaded for filters.

  • 'Zero Tilt Safety Kerfs' for a secure fit in the eyepiece holder. 

There are currently no specifications available for this product.

Baader Hyperion Zoom Eyepiece Questions & Answers

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Average Rating (4 Reviews):  
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Rating (max 5):  
This eyepiece lives in my telescope
Sunday, 9 April 2017  | 

I love everything about this eyepiece. The quality of the build, the engineering touches (quiet zoom, firm clickstops), the HUGE field of view, and sharpness right to the edges. 24mm is a bit strong for some viewing, so I would suggest also having an eyepiece in the 30-40mm range, but otherwise you would have a hard time wanting to use anything other than this one. And I would add that the team at First Light Optics are number one in price, shipping, and customer service. Buy without hesitation.

Rating (max 5):  
Very good EP
Wednesday, 25 April 2012  | 

This lens is huge compared to a normal plossl, so be prepared!! The viewing though is great and being able to zoom from 24 - 8mm is an excellent feature, especially when aligning the scope and centering stars, enabling you to roughly center at 24 and then zoom in to 8mm to get it exact.
The only problem I have found is with my 1.25 diagonal where the retaining screws tend to scratch the bottom of the eyepiece when fitting, so it is more at home in a 2" diagonal where the retaining screws do not interfere, (and looks more secure), as it dwarfs the 1.25 diagonal.
Certainly beats having to juggle two or three separate eyepieces in the dark (you just know that sooner or later one will hit the ground!)

Rating (max 5):  
Quality and Convenience
Thursday, 26 January 2012  | 

This zoom lens is not the cheapest around but does seem to be of the highest quality. I like the ability not to have to swap out various lenses (on a Celestron 6SE f/10 and a Skywatcher 250PX f/4.7).
The flexibility and functionality of the Baader system also means I can easily mount a DSLR or webcam to the zoom lens.
I love this kit so much I'm about to buy the Baader Barlow (have already bought a Baader Click-Lock 1.25-inch Eyepiece Adapter with T-2 Thread)

Rating (max 5):  
Good quality and versatile
Friday, 6 May 2011  | 

Both my 12" f/6 dobsonian and ED120 have this eyepiece in most of the time, and because it's so good optically I never feel the need to use a single focal length eyepiece within its range. However, the field stop is quite soft at it only has 50 at the 24mm setting. Another minor gripe is that the zoom ring is pretty stiff and the click-stops very subtle when zooming out. All-in-all, a good quality, versatile eyepiece for the money. Recommended for scopes f/5 or slower.

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