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Model: hyperion_zoomBrand: Baader
Latest Mk-III model supplied with both 1.25" and 2" nosepieces.
The Baader Hyperion 8-24mm Clickstop Zoom is changing the way we think about affordable Zoom eyepieces!
Accepts photo-adapter M43/T-2 for easy and rigid adaptation of various DSLR-T-Mount rings.
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.
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!)
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)
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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Baader Hyperion Zoom eyepiece T-Adaptor (M43-T)£13.00
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