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  1. #11
    j.gardavsky's Avatar
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    Default



    Right choice, Flyfishnevada,

    the small Monarchs have less color aberration than the large ones, I have had in my hands.

    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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  2. #12
    deaman49's Avatar
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    Welcome to the Forum! Let us know how it goes!

    Lee
    Lee

    Zhumell Z10 DOB.
    Forgive my stupidity, it's hereditary!
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  3. #13
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    Thanks for the answers guys.

    sxinias - to answer your question; at this time I am trying to understand what is / is not possible / practical with the 4SE. For the moment I will continue to experiment with the DSLR connected to the back of the 4SE.

    Thanks for the links to those other threads - very useful

    Colin

  4. #14
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    I have a pair of Celestron 10 x 60 and I bought a little connector piece so that I can mount it on my tripd and they work wonderfully for me!
    I am SO lost in this vast universe

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  6. #15
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    Default Choosing Binoculars

    First, how old are you? The human eye is part of the optical train and it changes over time. If you intend to do a lot of nighttime viewing, it is a good thing to pick a pair with a large exit pupil. Exit pupil is the size of the magnified image leaving the binocular entering your eye. We measure it in millimeters. The bigger the exit pupil the more light is being delivered to your retina. BUT, your eye has its own light controlling device, the iris. As the iris muscle tissue works it changes the diameter of the pupil. If you are young, the pupil can dilate up to 8mm or so. That's great for astronomy. find the binocs with an exit pupil to match and you'll be getting the most light-gathering bang for the buck. Find exit pupil for any binocular by dividing the clear aperture, say 50mm by the magnification, say 7X, or 7.1mm in this example. As we age the pupil can't dilate that far. By age 50 it may have degraded down to around 5mm. So don't go out and buy a $700 pair of 70X10- exit pupil of 7mm if you are drawing social security. That aside, Pay for good quality optics, sharp edge to edge, solid focusing system. Next, how are you going to use them. Hand hold or mount. Hand holding anything over 10x is problematic. If you have the money, I'd look at the Canon IS family of stabilized binoculars. Fantastic binoculars for astronomy. Drawbacks- cost and weight. In the final analysis, you need to actually handle, and look through perspective binoculars. How do they feel. How easy do they focus. How sturdy are they. Do you wear glasses? If so, eye relief is an issue. Many a binocular has ended up in the trash can because they took a few hits and no longer are aligned. There is a lot of info on binoculars out on the internet. Research it. I recommend anyone getting into astronomy invest in a good pair of binoculars, learn the night sky and if your interest is still blazing away, get a telescope. If your interest wanes, at least you have a good set of binoculars to watch a ball game. Much easier to live with than an expensive telescope sitting in the garage gathering dust and your spouse's scorn.

    Cheers, Mike in Edmonds

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  8. #16
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    I'd just like to concur with JG here and say it's entirely possible to hand-hold 15x70 type binos.


    It does take practice, and some muscle training, but you'll read everywhere that you must use a tripod, and it's just not always true.

    Position counts for a lot, too. It is difficult when then bins are at 90degrees from your body. Lying down with the weight dispersed between the eyecups and both elbows in contact with the ground (place them across from your ears) is a whole different story, though.

    I've also been known to rope them to a branch above so they hang at the right height and I only have to stabilize them and not take any weight


    Cheers,
    Vim
    Carpe Noctem!
    Stellarvue 80ED CF Raptor, SkyW 6-inch Dob, SM 15x70's, various accoutrements, and a faint memory of once having a savings account.


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  10. #17
    DaveV's Avatar
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    Lightbulb

    One of the best hints for use of binos, almost regardless of their size, is Terrence Dickenson's in his book, NightWatch: the use of a child's inflatable raft.

    When I tried this I was amazed at how much more comfortable I was, and how well-supported - and therefore steadier - ones arms become. Looking almost straight up to the zenith is no problem, and in fact becomes a pleasure.

    I always kept a wool blanket handy since it became cool as the night wore on; the danger of falling asleep - and waking up having racoons nosing around! - are real, but well worth the risk.

    Clear Skies!
    Peace,
    -Dave

    10" f4 dob

 

 
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