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Baader Hyperion eyepieces - make more of your telescope.
Most telescopes come with one or two simple eyepieces in the set, which do not excite the performance of the optics. Moderate contrast and sharpness, small field of view and poor insight behaviour quickly spoil the fun of sky observation. With Hyperion eyepieces, on the other hand, you can get everything out of your telescope.
The complete range of high quality Hyperion eyepieces contains all major focal lengths and offers a wealth of combination possibilities. With matching accessories, you will experience unforgettable hours observing a wide range of celestial bodies. The special thing about Hyperion eyepieces: they are suitable for photos! Capture your astro impressions forever by connecting cameras and camcorders to the Hyperion eyepieces!
You can distinguish between the series with "fixed focal lengths" f = 3.5 mm, 5 mm, 8 mm, 13 mm, 17 mm, 21 mm, 24 mm, the two large aspherical eyepieces 31 mm and 36 mm as well as the Hyperion Zoom eyepiece with infinitely variable focal length from 8 to 24 mm.
An accessory case is in preparation for the seven Hyperion fixed focal length eyepieces
The "fixed focal lengths" series of Hyperion eyepieces
The word fixed focal length is in quotation marks in this short description, because you as a user are able to change the focal length due to the modular design of the eyepieces. The fixed focal lengths Hyperion eyepieces are multifunctional eyepieces.
WIDE APPLICATIONS:
Connecting cameras and camcorders
The Hyperion eyepieces have two system threads at the top ("eye-side"). To expose them, either the eyecup and/or the large silicone thread protection ring must be removed. On the one hand, it is an M43 male thread and still a second with SP54 male thread.
The M43 thread (system thread 1) is used to connect T2 accessories, e.g. for normal eyepiece projection. For this purpose, a transition ring (Hyperion M43/T-2) from M34 to T2 thread must be switched between them.
For connecting digital cameras or camcorders where the lens cannot be removed (so-called afocal projection), the SP 54 thread (system thread 2) is used.
Focal length variability and filter insert
The Hyperion eyepieces can be opened on the M48 (filter) thread at the top of the chrome-plated 1¼" eyepiece receptacle. In the plug-in sleeve is the first lens group, it is unscrewed together with the plug-in sleeve and the eyepiece is connected directly to the telescope in a 2 inch eyepiece clamp, you get an overview eyepiece with long focal length and maximum field of view.
By inserting a 2" filter between 2" and 1¼" plug-in sleeve the opposite effect results: the focal length becomes shorter and thus the magnification higher. Furthermore, astronomical 1¼ inch eyepiece filters can be screwed into the 1¼ inch socket of the eyepiece. For further focal length modification, there are our finetuning rings (FTR) with 14 and 28 mm length. The different possible focal lengths when removing the first lens group as well as in combination with filters and fine tuning rings can be found in the table above.
Stop ring (model no. 2958097) Another "smart" accessory for our Hyperion eyepieces is the stop ring. It allows you to set the insertion depth of the eyepieces so that each eyepiece immediately gives a sharp image when inserted into a 2" diagonal mirror.
Due to the fullness of functionality, the Baader Hyperion eyepieces have their own 6-sided instruction manual to explain the variety of connection options of cameras and all the possibilities of focal length finetuning.
Hyperion fixed focal length eyepieces on Zeiss Diascope spotting scope.
The Hyperion fixed focal length eyepieces can also be used on Zeiss Diascope spotting scopes. For this you need the BAADER Diascope eyepiece bayonet 1¼" adapter (model no. 2454500) for connecting 1¼" astro eyepieces to the Zeiss Diascope spotting scopes. It is pushed over the 1¼ inch receptacle of the Hyperion eyepiece and fixed to the plug-in sleeve by means of 3 small clamping screws. On the diascope spotting scope, the Zeiss bayonet connection is ready, so that the complete unit Hyperion eyepiece and Baader bayonet adapter are inserted directly into the Zeiss spotting scope
Dee
2025-09-04 17:16:02
I am a novice at astronomy so I bought a decent five inch telescope to learn about our universe. It worked. I live in a light polluted area but enjoyed the "stock" Celestron 10mm and 25mm eyepieces that came with my telescope but they were obviously most just pastic parts to keep the cost down. After investing in this product and comparing it side by side with the stock eyepiece in a location in New Mexico with virtually no light pollution I was stunned at the difference. While heavy, this is obviously orders of magnitude better than stock and really improved my observing experience. I was amazed at what was up there!! I am so pleased with this that I am ordering this product in the 10mm focal length when it comes back in stock. I will have spent almost as much on eyepieces as on the scope but, for me, it was worth the investment in eyepieces. I also know that this will fit 2" scope fittings so when I do upgrade to a bigger telescope at some point I can continue to use these at 1.25" or 2" inch fittings. Great product.
One for All
2025-09-03 12:27:59
I have a nice Celestron scope and wanted a decent eyepiece that would increase my magnification level while keeping a decent field of view. This eyepiece fits that bill perfectly. It is fairly large and "fat"; you can almost "feel" the quality. Although I am a newbie, I feel like a professional astronomer when unpacking this puppy.I have used this to view the moon, Jupiter, the Andromeda Galaxy, and the Orion Nebula. All look amazing (considering I have spent I do have excellent vision overall, and to be fair, I do not really see much more detail with this eyepiece than the one that came with the scope. But the objects are larger and much EASIER to see (and again, a nice wide field of view is maintained). If your vision isn't perfect, or if you plan on viewing objects for more than a few minutes, this eyepiece is an excellent choice - highly recommended!
gary pietz
2025-08-31 12:14:44
I was very surprised how good The quality is, I compared it to a Tele vue 24mm And this one beat it, I sent the Televue back this had a brighter view the Televue was A little Darker But outside of that they Both were excellent except baader planetarium Was less than half the price or and a little bit better
A. Campbell
2025-07-21 14:12:49
I purchased this eyepiece for use with an f/5 12" Dob. It exhibited terrible astigmatism in at least the outer third of the field. It performed as badly as the cheapo 3-element eyepiece that came with the scope. Useless. I've heard from others that the situation isn't much better at f/6 either. They appear to work well at f/10, so if you have an SCT it'll probably be ok. Everyone else should look for a different brand. Two stars because at least the build quality is nice and it came with a protective pouch.
Warren Landis
2025-06-06 17:36:19
Currently these are my main go to eye pieces for planetary observing. My only complaint, with them is I just tried the Zoom lenses from Baader, and I wish I had ordered those instead. But in a way I am happy, since the Mark IV's just came out, and they are lighter, which will be better, since I have a binocular setup.
Peter George
2025-04-24 17:47:29
Great lens! nice clear views, a very versatile in usage. Comes pretty close to my Orion Stratus 24mm. Very happy the the performance of the optics. Wide angle views are clean. It's a keeper!
Dan G.
2025-04-15 13:03:31
Not what it's cracked up to be. I sent it back. No better than the lens supplied with the scope.
Bassplaya88
2025-03-31 10:49:52
Very well constructed eyepiece! It will be used for years to come.
Deessia
2025-02-24 11:02:55
On ne présente plus les hyperions. On aime ou pas. C'est vrai que le placement de l'oeil n'est pas naturel au départ. Il est livré dans une jolie boite et une housse en simili cuir. Ce 24 mm est plutôt orienté grands champs. Il offre une telle bonne luminosité, pas de chromatisme et est très confortable si vous portez des lunettes. Je l'utilise en binoculaire, c'est à dire que son frère jumeau est juste à côté dans une tête binoculaire, c'est vraiment un régal sur les galaxies. Son poids est raisonnable, je n'ai pas besoin d'équilibrer ma monture.
Jason C
2025-01-21 10:11:41
I purchased these from Amazon.de for about £425. Each EP is boxed as an individual retail item which is fantastic; if like me you already own one or more and will sell-on the equivalent new EP. Considering each EP retails at between £80 & £90 and you get the case which is really handy for storage (which normally retails around £50) this is a great deal.I already had the 21mm EP and was really impressed with the image quality on a celestron 9.25 SCT. With the poor weather I've only been able to try them once so far, but have been really pleased with theThese clearly aren't TV Delos league, but they are a fraction of the price. I doubt I'll use them all; specifically the 5mm as that's probably a bit over the top for UK viewing conditions. The 13 mm and 10 mm EPs gave a very clear image; and I'm looking forward to trying the others.In the picture of the case I've attached I have the optional tuning rings which you won't need with this set (there's no need for such levels of adjustment).
Pepe
2025-01-09 16:01:08
Das 13 mm Hyperion ist nicht das erste Okular dieser Serie, dass ich mir angeschafft habe. Vor allem die optische Qualität hat mich persönlich überzeugt. Dazu ein großes Gesichtsfeld und ein bequemer Einblick. Es wird zwar bessere Okulare geben, aber für wenig mehr muss man viel mehr ausgeben. Ich denke, dass man hier ein sehr gutes Preis/Leistungs-Verhältnis hat. Wichtig war mir auch die Verwendung sowohl im 2" wie auch im 1,25" Anschluss, ohne Adapter und Umbau des Okulars. Auch die Möglichkeit, durch Zwischenring unterschiedliche Brennweiten (8,1, 9,2 und 10,8mm) zu erzielen, war für mich ein Entscheidungsgrund für das Okular. Augenseitig gibt es noch zwei Anschlussgewinde für Kameras o.a. Zubehör. Insgesamt macht das Okular einen sehr soliden und wertigen Eindruck. Ich verwende es an einem 200 mm f/6 Newton und an einem 120 mm f/8 Refraktor.
Antonio P2500
2025-01-02 16:52:30
Buon prodotto anche se il coma è assolutamente presente tutto intorno all'oculare per una buona porzione, ma è davvero luminoso anche montando filtri contro l'inquinamento atmosferico... Consigliato
JTDD
2024-12-16 11:28:28
This is a very high quality eye-piece.It weighs a lot so it will mess with the balance of your scope a little but the optical quality is stunning.Not really for beginners.
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