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  1. #11
    j.gardavsky's Avatar
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    Hello Gus,

    as arule I need 15x85 with UHC filters screwed-in to see the "flying bird" in M42.

    Under your southern skies, the Witch Head Nebula and the Barnard Loop should be no problem.

    Regarding the Running Man, I have seen that smudge first time with a cheap 12x60 from a location close to Pretoria. Here I need again the 15x85.

    Wishing you much fun

    JG
    Binoculars: Leica Ultravid 7x42, 8x42HD; Swarovski EL 8.5x42 Swarovision; Nikon 10x70 Astroluxe; Docter Nobilem 7x50 Porro; Jenoptem 7x50W, 10x50W; BA8: 10.5x70, 15x85; 25x100FB, AsahiPentax 8x40, Refractors: Sky-Watcher 150mm/750mm; Leica APO Televid 82mm (25x-50x WW ASPH); EPs:Baader Classic Orthos; Fujiyama ortho, Leica B WW, ultrawide zoom ASPH, Periplan GF, HC Plan S, L; DOCTER UWA; Wild UW mil; Tele Vue Delos, Nagler Zoom, Plössls; Swarovski SW; Pentax XW; ZEISS diascope B WW T*, Carl Zeiss E-Pl; Hensoldt mil; Filters: Astrodon, Astronomik, Baader (CCD), TS; Astrophotography: AstroTrac; Leica R7: Leica 2/50, 2/90mm, 2.8/180mm lenses
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  3. #12
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    Thanks very much for the info. Tony and Gus. I have the Nikon Action 10x50 which I bought yesterday and they are great; however, after reading what you guys wrote I am exchanging these for the 7x50EX. I have a feeling they will be better for trying to find galaxies, nebula, etc.
    Maybe hand shake will be less noticeable as well.

    I wish I could test them out side by side. The Nikon rep. who I have been dealing with for years told me Nikon used to make a bino"designed" for stargazing and it was a 7x50 with individually adjustable eyepieces. He recommend I go with 7x50.

    When I get them I'll observe the same objects and report the comparison between them and the 10x50's

    Thanks again, this topic is fascinating and I used up my day off researching it.
    Last edited by Carl_g; 09-07-2011 at 11:50 PM.
    Nikon Action Extreme 10x50 and Bushnell 7x35 binoculars, Galileoscope.

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  5. #13
    Carl_g's Avatar
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    Here's what I found hopefully I'm not stating too much of the obvious) : the main difference is the shaking is less
    noticeable with the 7x50 and this is good because I don't plan to buy a tripod.

    As far as brightness, even though Nikon rates the 7x50 as brighter, to me it seems the 10x50 were a bit brighter. Better field if view with the 10x50.

    My newbie opinion on astronomical sightings, Andromeda Galaxy seemed the same brightness with both binos, a bit more "pleasant" viewing with the 7x50. The moon was definitely better with the 10x50: bigger and clearer. It is a bit too bright with the 7x50's bit still excellent.

    Jupiter was not quite as big with the 7x50's but it's moons visible with both binos.

    "Pleiades" definitely more spectacular with the 10x50. I am not sure why as the 7x50 are supposed to be brighter.

    Both binos were clear and sharp edge to edge.

    The "EX" version is great with the high eyepoint, sealed waterproof and fogproof. My 7x35 Bushnells kept fogging up outside but these don't.

    In summary, both excellent binos but am keeping the 7x50: the 10x50 are better for details if you can hold them really steady or use a tripod. For handheld viewing the 7x50 are more pleasant overall. For daytime viewing they are both spectacular. Regarding exit pupil, I would like to know my pupil diameter at night, maybe I will look at them in the mirror with a dim red light.

    This is my first review of a product so hope it was interesting. Please comment, critique or ask questions a I totally enjoy this subject.

    If money was not a concern?
    Nikon 8x42 High Grade. I use these at work and it's hard to explain how good they are even for astronomical viewing. About $1500 though. If you ever get the opportunity to look through them at night you should.

    Does my review make sense?
    Nikon Action Extreme 10x50 and Bushnell 7x35 binoculars, Galileoscope.

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  7. #14
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    Once again, glad I could be of some help.:-)

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  9. #15
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    Quote Originally Posted by tony884 View Post
    Once again, glad I could be of some help.:-)
    How are your 7x50's working out?
    Strangely I am finding them not as bright as the 10x50.
    Nikon Action Extreme 10x50 and Bushnell 7x35 binoculars, Galileoscope.

  10. #16
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    Perhaps because of the smaller exit pupil? From what I understand, with a larger exit pupil less light is getting into your eye because the pupil isn't dilating 7mm unless you're quite young or at very dark site. With the 5mm exit pupil, more of the collected light will get into your eye.
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  11. #17
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    Quote Originally Posted by markan View Post
    Perhaps because of the smaller exit pupil? From what I understand, with a larger exit pupil less light is getting into your eye because the pupil isn't dilating 7mm unless you're quite young or at very dark site. With the 5mm exit pupil, more of the collected light will get into your eye.
    Makes perfect sense; however, I messed up. I was using the 7x50's during a full moon when the sky was a lot brighter and washing out the stars. Duh. I think I should be
    excused from the forum for a week.
    Nikon Action Extreme 10x50 and Bushnell 7x35 binoculars, Galileoscope.

  12. #18
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    Back to the 10x50:
    Attached Images Attached Images
    Nikon Action Extreme 10x50 and Bushnell 7x35 binoculars, Galileoscope.

  13. #19
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    I have the Action 10x50. They're Ok if your not doing lunar observing. Even the smallest cresent moon gives me ghost images (very annoying). Even Juptiper in really dark skies shows ghosting images in these binoculars. stars clusters look really nice. I would return these in exchange for the Action EX but my 30 day return is expired. Overall i'm not very pleased with these for astronomy. Maybe I can sell them.

  14. #20
    j.gardavsky's Avatar
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    Quote Originally Posted by donvegas View Post
    I have the Action 10x50. They're Ok if your not doing lunar observing. Even the smallest cresent moon gives me ghost images (very annoying). Even Juptiper in really dark skies shows ghosting images in these binoculars. stars clusters look really nice.
    Hello Donvegas,

    most of the low cost binoculars are not truly fully multicoated, even if the marketing says so. This generates ghost images on bright targets, like the Moon, or even Jupiter, annoying, as you say. Moreover, these binoculars use fast optics to reduce the size and weight, and to save costs on material. Therefore, some chromatic and other aberrations become visible on very bright stars.

    With the exception of my Leica, I would not invest anything above 1,000 USD. There are excellent astronomy binoculars for the deep sky objects below 600 USD.

    If your Nikon Action does a good job on the cluster, than all is o.k.

    Best

    JG
    Binoculars: Leica Ultravid 7x42, 8x42HD; Swarovski EL 8.5x42 Swarovision; Nikon 10x70 Astroluxe; Docter Nobilem 7x50 Porro; Jenoptem 7x50W, 10x50W; BA8: 10.5x70, 15x85; 25x100FB, AsahiPentax 8x40, Refractors: Sky-Watcher 150mm/750mm; Leica APO Televid 82mm (25x-50x WW ASPH); EPs:Baader Classic Orthos; Fujiyama ortho, Leica B WW, ultrawide zoom ASPH, Periplan GF, HC Plan S, L; DOCTER UWA; Wild UW mil; Tele Vue Delos, Nagler Zoom, Plössls; Swarovski SW; Pentax XW; ZEISS diascope B WW T*, Carl Zeiss E-Pl; Hensoldt mil; Filters: Astrodon, Astronomik, Baader (CCD), TS; Astrophotography: AstroTrac; Leica R7: Leica 2/50, 2/90mm, 2.8/180mm lenses
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