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Nice item, but...
The optics are very good, and the finish is nice. I especially like the fact that these are modular, and you can fit several accessories to them. Now for the problems. The first one I noticed was that there was no instruction sheet or manual. The nex...

Baader Hyperion 8-24mm Zoom EP
This is a wonderful zoom EP and far sharper on axis and off than the fixed focal length Hyperions. I have no idea how Baader managed to make this happen, but the Hyperion Zoom is an excellent eyepiece competing favorably with quality fixed focal leng...

Excellent Value
I bought this as an a alignment EP for my 18 inch Dob. Great to zoom in for a close alignment. Found I sometimes leave it in the focuser after aligning as it has great optics. Was impressed it did more than I bought it for and seems to have the norma...

Great eyepiece
Better field of view than a standard plossl. It's like having every eyepiece between 8+24mm.,,I rarely use any other eyepiece now.,combine this eyepiece with a good barlow.,.,and a good low power eyepiece ,.and you have all the bases covered,.,

Don't hesitate, just buy it
Astronomical zoom technology has arrived and this particular eyepiece lives up to almost all of the manufacturer's promises. In fact, I seldom take out other lenses once I got this clickstop zoom. This ocular even holds up well with a 2x Barlow. I al...

Only eyepiece I use most nights.
For the price, it's 5 stars! I bought this eyepiece because it has comfortable eye relief throughout the range. The eye relief on the 10mm plossl that came with my 8" Dob was painfully short. My wife, who must wear glasses to observe, could not see m...

A powerful eyepiece, in more ways than one!
I had the opportunity of field testing this eyepiece during a presentation by Nagler. I was also one of those amateurs that thought a zoom eyepiece was a waste of money. After setting up a Tele Vue 85, Mr. Nagler showed off his wares with a standard ...

A Zoom Worth Owning
I used to think "who would want to spend this much money on a zoom that covers only 4mm in range". With that mentality, I bought a cheap 7-21mm zoom which I promptly resold. I found myself much preferring the set size eyepieces in that power range ...