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Thread: Advice on mounting a 25X100 Binoculars on a monopod

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    Default Re: Advice on mounting a 25X100 Binoculars on a monopod



    Congrats on both purchases TJ- both serious bits of kit. You will be spoilt for choice for looking at the clouds . Seriously though i hope you get some clear skies and some good views.
    Bushnell 4x30, Nikon 8x40 and Helios Apollo 7x50, and 15x80 binos; assorted other binos 7x35, 7x50, 10x50,12x50, 20x80 and mirror mount; 70mm William optics refractor on horizon 8115 tripod or skywatcher EQ3 pro synscan , (Celestron Nexstar 4SE -sold) and 10" flextube dob; telrad; 8mm, 17mm, 24mm Baader hyperion EPs and 38mm 2" SWA Ostara EP. Recent imaging with a modified canon600D.

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    Default Re: Advice on mounting a 25X100 Binoculars on a monopod

    Hello TJ,

    thanks for the detailed read.

    Most of the 15x70 on budget have a slight cushion-like distortion, hardly noticeable, but still enough to evoke the space walk feeling when browsing the landscapes, or the night skies. This contributes a bit to the 3D viewing, otherwise, 2 eyes see more.

    Regarding the maximum eye pupil, I can't imagine that you'll open it less than the Germans, Italians, or English, even if some Italian young ladies have very big eyes, letting me feel as getting totally lost.
    There are some tricks to measure the eye pupil. Should you have a set of drills, then take one after another in increasing diameters sequence, hold it pointing against the Jupiter (not Moon) with a stretched arm, and try to fix the largest one, which will just pass some minimum fraction of the Jupiter light, the next larger one should cover the Jupiter completely. Your maximum eye pupil opening will be in between those both drill diameters. Your optician has been talking just a nonsense, this happens not seldom.

    Back to the Minox. BL is the light weight series, and this one,

    MINOX BL Made in Germany 8x42 Classic Binoculars . Minox Binoculars.

    is really made in Germany, not just designed in Germany. I have had it in racing green from a promotional offer some time ago, really great, but my preferences are changing as the weather does. If you, or your mum, are going to the Ascot races, the racing green binoculars would be regarded as a fashionable accessory.

    Best regards,

    JG
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  4. #43
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    Default Re: Advice on mounting a 25X100 Binoculars on a monopod

    If your mum will be using them, then you should consider a stand (such as a camera tripod). Best to go for something smaller than 25*100 - that's more like a telescope, and since you're getting a 10" Dob (a really good choice!) it would be best to have something which bridges the gap between 'naked eye' and 'big reflector'. 25*100's will be hugely expensive, at least they should be. Buying a smaller pair (say 10*50) will also free up some of that cash you would otherwise have spent, so maybe you could go for a 12" Dob!
    Another point: 25*100's have an exit pupil (the actual disc of light that is received by the retina) of 4mm. Most dark-adapted eyes of people old enough to be parents(!) have a pupil diameter of around 5mm, so some of that light will be going to waste. I'd say lavish most of the money on telescope aperture.

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    Default Re: Advice on mounting a 25X100 Binoculars on a monopod

    My God ! these are enormous !!! , I bet they are awsome on deep sky , BinoDan . Just so cool .
    On Mine , I had a friend who is a sheet metal worker knock the dew shield up for me . They are ok up to about 75 degrees , much past that the neck feels it , but apart from that they are very good to use .
    Brian.
    Quote Originally Posted by astrodandare View Post
    Hello Brian,
    yep, pic is showing, what make are your binos, and is that a shroud on the large end ? would like to know how you find 60 degrees and up to zenith viewing with your 25x100s --do you lay down or similar.
    Have to agree on the views with these binos --just superb and so immersive ,as long as they are firmly mounted --do you have any other equipment ?


    What do you think I would see with these binos ??

    Attachment 45647

    Attachment 45648

    Attachment 45649

    Hexy is nearly finished , am in the 2x 635mm mirror making stage (melting the glass myself in a kiln) -----nice to be a bino fan ,as I dont get on with monoviewing to well . Enjoy.

    Bino-Dan
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  7. #45
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    Default Re: Advice on mounting a 25X100 Binoculars on a monopod

    Quote Originally Posted by b .nordstrom View Post
    My God ! these are enormous !!! , I bet they are awsome on deep sky , BinoDan . Just so cool .
    On Mine , I had a friend who is a sheet metal worker knock the dew shield up for me . They are ok up to about 75 degrees , much past that the neck feels it , but apart from that they are very good to use .
    Brian.
    Hi Brian ,
    I could'nt tell you about the views yet=am waiting on the mirror,s ,but it might possibly be a revelation ----of the first magnitude !-------I keep hoping.
    Big binos have a limiting factor unless there is 45 or 90 degree eyepiece option ,which there should be for astronomy use.
    A first surface mirror mount solves the neck problem immediately, so Ive made one


    regards Dan

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  8. #46
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    Default Re: Advice on mounting a 25X100 Binoculars on a monopod

    Guys, sorry I have not responded with my thoughts on the Helios Quantum 4 binos as yet. I have a good excuse however, we've had an appallling last couple of weeks of snowy weather in London and clouded skies. But yesterday the great sky window finally opened. Unfortunately I dont live in an area where I can simple step out side in the night and flaunt my binoculars around so my views were restricted to viewing from the window (opened and closed)

    First of all, the Moon. Wow. First time I ever saw it closer up, this large white globe hanging there in space, details were sharp and...man that poor thing has taken a right battering, hasn't it? Actually makes it more of a badass protector in my eyes than the barren dull planetary object its deemed to be by some. Its craggy face would make Tommy Lee Jones jealous. There is character in that moon and knowing its origins and the extremely vital role it plays to sustaining our complex life on Earth makes observing it sweet. For the first time I can identify features I see on photos. Its one thing to see photos but quite another sensation to see it for yourself.

    I wear glasses. I am short sighted by an index of -4 and -4.5. Now I couldnt get comfortable viewing wearing the glasses and also the image of stars were doubling, even quadrupling with my glasses on. So I took them off and hey presto, beautiful vision through the binos. How comes, though? I'd like to learn why is this. Next time I will test the viewing by wearing contact lenses which I also do wear but didnt bother last night since I was getting decent views without.

    Now there is one glaring negative about the moon observation through these binos. The circumference edge of the moon have a distinct green edge on one side and purple edge on the other side. This is through looking at the moon with the window open, so no window glass in between. Direct visual. So is this due to lens quality or very poor atmospheric conditions?

    Now I have to admit, the binos were heavy to hold in the hands for longer than a few minutes and observing Jupiter was way to shaky. So I brought out my camcorder tripod with a ball bearing mount and then mounted the binos on with the L plate I bought for it. Much more stable and comfortable to use now. My god, a whole sea of stars came into view, none of which I could see with the naked eye. Jupiter just appeared as a white globe but could see absolutely no features or moons. A little disappointed there but I think my surroundings are just too polluted to see that perhaps.

    The eyepiece cups have a nice screw out type adjuster on each eyepiece as opposed to those that simply flips over. So can vary that distance between pupil and eyepiece lense to how you want it. The field of view is wonderful, very large circle view.

    I will take these binos for a spin outside of London next weekend, in hopefully less polluted conditions. Taking my telescope too. The only concern about the Helios then, is that thin green and purple edge around the moon. Next weekend (if weather permits), I'll see if that was a binos lens deficiency or my environmental conditions.

    Not sure if I will
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    Default Re: Advice on mounting a 25X100 Binoculars on a monopod

    Hi TJ nice report. The purple and green fringing is chromatic aberration due to lens quality, however it will not be so noticeable when viewing the moon at smaller phases. Tbh I find the views even better then. The detail you can see on the moon actually changes slightly every night if you view the terminator.

    Surprised that you couldn't see Jupiter's moons - they were easily visible in my 7x bins last night.

    Long sight and short sight are just focusing issues that can be taken care of by focusing your binos or scope - hence no need for your glasses
    Bushnell 4x30, Nikon 8x40 and Helios Apollo 7x50, and 15x80 binos; assorted other binos 7x35, 7x50, 10x50,12x50, 20x80 and mirror mount; 70mm William optics refractor on horizon 8115 tripod or skywatcher EQ3 pro synscan , (Celestron Nexstar 4SE -sold) and 10" flextube dob; telrad; 8mm, 17mm, 24mm Baader hyperion EPs and 38mm 2" SWA Ostara EP. Recent imaging with a modified canon600D.

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    Default Re: Advice on mounting a 25X100 Binoculars on a monopod

    Thanks for the wonderful update , we knew you'd get wowed --happen,s to us all --and more than once ,I might add, first time I reeled the Moon in to between the chimney pott,s with my twelve inch--the view made me stagger backward's in shock scattering half the content,s of my dome and half a litre of coffee --in the pitch dark !

    I think once you insert your contact lenses, you will easily see the moon's of Jupiter from home .and a lot more detail elsewhere too.
    I can,t see a damn thing without my glasses and like you taking them off is much better for binos but this does not quite compensate for the deficiences of the eyes .after saying all that ,your view depends on what defenciency your contact,s were designed for =I would talk to your optician to get the best result,s . Don,t forget -looking through double glazing(if you have it) will play havoc with view,s causing ghosting .
    regards Dan

    P.S. wait till you see the moon through a telescope-have a matress near by

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    Default Re: Advice on mounting a 25X100 Binoculars on a monopod

    LOL, I didnt realise this hobby would be so hazardous Definitely will wear contacts next time and see how that fares

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    Default Re: Advice on mounting a 25X100 Binoculars on a monopod

    Quote Originally Posted by TheyCallMeTJ View Post
    LOL, I didnt realise this hobby would be so hazardous Definitely will wear contacts next time and see how that fares
    Hi TJ,
    You'll just have to get used to regular surprises--increases lifes worth by a considerable amount .

    have fun

    Dan

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