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Thread: Leica HC and KK ortho with 80mm Apo

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    Default Leica HC and KK ortho with 80mm Apo



    Last night I viewed the moon again with my leica HC in my f6 80mm apo. The Transparency was not great, but adequate for my adventure.

    But before I dropped in the HC I was also lighting up two other more recent EP acquisitions.

    I have acquired the two short focal KK orthos, 4, and 6mm. I was playing with them in me 80mm apo on the moon and I am quite pleased. The 4mm has such a tiny window I was wondering what I would discover. I found a very nice view that was brighter to my eye than my 7mm pentax barlowed 2x. Now I realize the mag was less, 120 vs 136 and this may have been the difference. But at 120 with that tiny little peep hole I was quite pleased. Of course the fov was much tighter.
    The contrast was very fine as I was treated to nice detail on the sunbright portions of the moon in the eastern basin of the mare imbrium. And the shadow detail of clavius and tycho was very nice in contrast.

    But then I went to the Leica HC to compare. This is not a criticism of the KK, but only to compare.

    With the HC barlowed 2x I had even more contrast, and what seemed a nice gray scale color. The details in the sunbright areas were marked with shadows in the very small craters which did not show up in the KKs. It is a palpable visual, if it is appropriate to use those two words together.

    As a side note hete: I also have finally acquired a cell phone mount and I attempted to attach that to the HC. Unfortunately a cell phone mount in my hands seems a clumsy tool. That's just me or maybe it was the cell phone mount. I was not able to achieve satisfaction with this rig this time. But it was the first time so maybe I will improve. I did better hand holding the phone.

    But back to the HC. I am amazed what this lens does. When first putting eye to glass it is not immediate, but with a few seconds of relaxing the eye this 3D sensation popped over the fine granulation of the surface that could be resolved by the 80 mm telescope. I took my time here. My camera, such as it is, cannot see what I was seeing. It was amazing to me.

    I did not bring out the Periplan GFs this time to compare with the HC under these circumstances (the moon) last night. And when I have in the past done this I am still not sure which one is better. I tend to think the HC gives me more. But I will continue to work with these EP on other celestial objects. I think that the Moon image outcomes are different than DSO targets. That is to say on the moon the HC seemed unbeaten. But it is possible that on nebula or galaxies the GF will yield a better image. I am not sure about that yet.

    Well that's all the detail I have at this point on the HC. The visual 3D effect I experienced with the HC on the moon was quite fine. I have used this EP in the past mostly on my 100mm SW to similar, but not exactly the same effect, and with quite expensive nebula detail on Orion. I believe the faster 80mm gave more on the moon last night. Could be the apo optics though. I am not sure this.

    The new thing here for me in all of this is the 3D sensation while viewing the moon with this Optical combination on this occasion.
    A quick Edition. The focus with this setup was clear from edge to edge in my field of view just thought I would mention that.
    Clear skies.
    Last edited by Eagleheaf; 01-26-2018 at 07:25 PM.
    Mark

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    Default Re: Leica HC and KK ortho with 80mm Apo

    Thanks Mark for the very interesting report!

    I am still waiting on the clear night skies to mount the Leica HC Plan S on the refractor. But this EP is intended for the DSOs. Some people mount this Leica on the Baader VIP Barlow to use it as a planetary EP.

    Today I've got the 5mm KK Fujiyama to fill the 5mm gap, and will test it against the barlowed Leitz Periplan GF 25x (f=10mm). Last year, the Periplan has shown the Cassini division on Saturn really black, not just dark grey.

    Best,

    JG
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    Default Re: Leica HC and KK ortho with 80mm Apo

    Quote Originally Posted by j.gardavsky View Post
    Thanks Mark for the very interesting report!

    I am still waiting on the clear night skies to mount the Leica HC Plan S on the refractor. But this EP is intended for the DSOs. Some people mount this Leica on the Baader VIP Barlow to use it as a planetary EP.

    Today I've got the 5mm KK Fujiyama to fill the 5mm gap, and will test it against the barlowed Leitz Periplan GF 25x (f=10mm). Last year, the Periplan has shown the Cassini division on Saturn really black, not just dark grey.

    Best,

    JG
    Thank you JG.
    So in a sense I am underutilizing this eyepiece when I look at the Moon with it. Interesting.
    Well, I will have to chalk this up to the child Within Me. I was always finding unintended uses for the toys that I had, even then. :-)
    The HC did give me a nice view of the Moon. :-)

    I look forward to Saturn, and the DSO. :-)
    Thank you again JG.
    Mark

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    Default Re: Leica HC and KK ortho with 80mm Apo

    Hello Mark,

    it is not under utilizing, you are doing everything the right way.

    I find your threads and post great, as you are not keeping your knowledge for yourself, but sharing it with all of us.

    Thank you,

    JG
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    Default Re: Leica HC and KK ortho with 80mm Apo

    Thank for the comparison report, Mark. That's very interesting info. I've yet to venture into the HC Plan's, but they sound very nice.
    Darn, I even still have a couple of Periplan pieces (GW & GF) that weather and time have prevented me from evaluating.
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    Default Re: Leica HC and KK ortho with 80mm Apo

    Quote Originally Posted by j.gardavsky View Post
    Thanks Mark for the very interesting report!

    I am still waiting on the clear night skies to mount the Leica HC Plan S on the refractor. But this EP is intended for the DSOs. Some people mount this Leica on the Baader VIP Barlow to use it as a planetary EP.

    Today I've got the 5mm KK Fujiyama to fill the 5mm gap, and will test it against the barlowed Leitz Periplan GF 25x (f=10mm). Last year, the Periplan has shown the Cassini division on Saturn really black, not just dark grey.

    Best,

    JG
    I have a naive question: What makes these microscope EPs perform better than dedicated telescope EPs on astronomy targets, and if that's the case why telescope EP manufacturers would not simply adapt the same design?

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    Default Re: Leica HC and KK ortho with 80mm Apo

    Quote Originally Posted by Bigzmey View Post
    I have a naive question: What makes these microscope EPs perform better than dedicated telescope EPs on astronomy targets, and if that's the case why telescope EP manufacturers would not simply adapt the same design?
    They do! Orthoscopics are not dedicated telescope eyepieces, they are used for microscopy also. Now I doubt very much that a 41mm Panoptic can find a microscope to fit, but.... Apart from the wide field designs it's all interchangeable.

    Many of the eyepiece designs that folks think of as dedicated to telescope use started as microscope eyepieces.

    BTW it's good that the Leica performed so pleasingly. They'd better at the price difference! It's out of my budget.

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    Default Re: Leica HC and KK ortho with 80mm Apo

    Quote Originally Posted by Bigzmey View Post
    I have a naive question: What makes these microscope EPs perform better than dedicated telescope EPs on astronomy targets, and if that's the case why telescope EP manufacturers would not simply adapt the same design?
    JG can definitely answer this better than I can but from my understanding these eyepieces for the microscopes have been corrected very especially for particular wavelengths of light given what they are going to be used for microscopically. And with his knowledge JG has been able to pinpoint ones which special correction and quality glass work makes them well suited for our application with telescopic viewing. There is most likely a lot more to it, but JG can take it from here with corrections. :-)
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    Mark

    92 Messier, 4 Planets, other cool stuff.
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    Swaro 10x30, pentax 8x43, obie 25x100.
    Mounts for all.

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    Default Re: Leica HC and KK ortho with 80mm Apo

    Quote Originally Posted by not_Fritz_Argelander View Post
    They do! Orthoscopics are not dedicated telescope eyepieces, they are used for microscopy also. Now I doubt very much that a 41mm Panoptic can find a microscope to fit, but.... Apart from the wide field designs it's all interchangeable.

    Many of the eyepiece designs that folks think of as dedicated to telescope use started as microscope eyepieces.

    BTW it's good that the Leica performed so pleasingly. They'd better at the price difference! It's out of my budget.
    Hi nFA.
    Actually none of these have cost more than my TV panoptic. The HC comes closest, but the GF cost less than my KK orthos.
    And I will add that my TV 22 Pan is at the top of my list for views at this time, but it is much bigger, heavier. And on my rig these lightweight/heavyweights balance I little easier...especially with my short scopes.
    Mark

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    Default Re: Leica HC and KK ortho with 80mm Apo

    Quote Originally Posted by SpyderwerX View Post
    Thank for the comparison report, Mark. That's very interesting info. I've yet to venture into the HC Plan's, but they sound very nice.
    Darn, I even still have a couple of Periplan pieces (GW & GF) that weather and time have prevented me from evaluating.
    You need to give them a try, Frankie. If you don't have an adapter, PM me with your addy. I have spares and I will send you one. :-)
    Mark

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