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    Default First Light Report Baader Hyperion Zoom Eyepiece



    Quote Originally Posted by KeithBC View Post
    Woo-hoo! My Hyperion zoom arrived today by courier!
    Keith that's great news! Any initial impressions - make/QA/mechanical zoom movement/eyecup/modularity, etc.?

    Unfortunately, there's no clear skies in the forecast for the next week.
    Why am I not surprised? Had to wait for my 1st HZ zoom for several months hibernating in a warehouse in the US waiting for astro-box to get filled up, one week more is a trifle.

    Best,

    Hernando

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    Quote Originally Posted by ibase View Post
    Keith that's great news! Any initial impressions - make/QA/mechanical zoom movement/eyecup/modularity, etc.?
    I haven't had a chance to examine it in great detail or try it in the scope (even on trees) yet.

    The optical movement is solid and smooth. Just looking through the naked eyepiece, I couldn't see a lot of difference in AFOV between 8mm and 24mm, something that others had complained about in reviews I'd read elsewhere. It looks like it goes between maybe 60 degrees and 70 degrees. That may change once I get it in the scope and can actually see stuff through it. There seems to be some kidney-beaning at 24mm.

    The eyecup mount seems flimsy and loose. It operates fine, extending when I twist it, but it feels like it's going to fall out any moment. I haven't looked for the camera mounting threads yet, but I hope they are not on that piece! I haven't figured out yet where I would put the small eyecup if I wanted to use it.

    It came with no instructions. I found the Baader manual online and downloaded it. I will read it later.

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    Default First Light Report Baader Hyperion Zoom Eyepiece

    What was forecast to be a sucker hole opened up to clear skies. The objective of this session was to try out my new Hyperion zoom.

    Well, I was very satisfied! All the weird stuff I found in daylight at close range went away. No kidney beaning or vignetting or whatever it was. The field of view was crispy-clear all the way out to 90%. The outer 10% was starting to get just a tad fuzzy compared to the Panoptic 27mm, but not objectionably so. I only noticed because I was looking for it. Normally, it would be unnoticeable.

    I didn't find the change in AFOV when zooming bothersome at all. I did find that it requires 1/4 turn of the fine-focus knob on my Crayford when zooming between 8mm and 24mm, so it is not totally parfocal with itself. Having to refocus continually was a bit annoying.

    I did most of the testing with the Paracorr in place, since that is how I will be doing most of my viewing. Just as a test, I tried the Hyperion without the Paracorr. As expected, there was considerable coma around the edges, due to the fast scope, but nothing else bad. The coma is not the EP's fault.

    (Just for laughs, while I had the Paracorr out, I tried out the Panoptic 27mm. It too had lots of coma. What I didn't expect was that I didn't have enough out-focus to focus it. I had to pull the barrel out of the focuser to get it in focus.)

    Since the entire session was in twilight, first from the setting sun, then from the rising moon, I concentrated on double stars. I had made a list of possible targets, but my Field Guide lists doubles by Aitken number, without, in most cases, translating that into a name or Bayer (Greek) designation. I would have had to find them by RA and Dec coordinates. I ended up with a pared down list.

    I resolved Castor, but it was at about the limit. Being overhead, the seeing was pretty decent there. Iota Cancer was an easy pair: bright green and dim blue. Algieba was a close pair, but I could see both stars, orange and yellow. 54 Leo was an easy pair: one bright, one dim. Mizar was an easy pair to split.

    I also took a look at M44, which made for a good comparison with the Panoptic. The Panoptic is superior, but I was very happy with the view in the Hyperion.

    It was a good session, and I was very pleased with the performance of the Hyperion zoom. I got it intending it to be my main all-purpose eyepiece, and I was not disappointed. It will fill that role very nicely.

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    Keith, great 1st light report on the Hyperion Mark III Zoom, and very glad that you like it!

    Best,

    Hernando

 

 

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