Archive for the 'binoculars' Category
September 3rd, 2010 -- Posted in binoculars |
I am trying to hold on to these binoculars until they are worth some money, and so far I think they may be only worth $10.00
They come in a leather case from the U.S. Naval Gun Factory / Optical Annex Shop in Rochester , NY. They are extremely old binoculars.
check e-bay. Maybe antique value is there.
They are far too weak to be used for astronomy so no one here will have a good answer for you.
September 1st, 2010 -- Posted in binoculars |
This took FAR TOO LONG.
Julia, I hope you use something from this… I spent all day on it. Hahaha. xD
Oh and if you, the viewer, enjoys it- subscribe please? :3
Duration : 0:3:24
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August 31st, 2010 -- Posted in binoculars |
I’m planning to take my father to the US Open on opening day for prime time matches.
I’m novice to binoculars, so what kind of binoculars should I consider for watching tennis with?
Thank you.
Try outdoor sports binoculars -> http://www.bestbinocularsreviews.com/binocular-outdoorsports-5-Binoculars.html 
August 29th, 2010 -- Posted in binoculars |
I am looking for a nice pair of binoculars for my astronomy class. I would like something with a nice size aperture maybe within the price range of 40-50.00. Thanks! (a link would be nice)
I was able to pick up 10×50 binoculars at a sporting goods store for $25. Cheap binoculars appear to differ from expensive binoculars in two ways. First, they’re slightly more fragile. Treat them like fragile glass artwork (which they are) and they’ll last decades. Second, they often lack any kind of close focus. So my 10×50′s can focus across the house (maybe 40 feet). My $450 8×42 binoculars let me focus on my own knees. Handy for butterfly watching. Not very interesting for astronomy. Buy some cheap ones. Save your receipt. Look at stars as soon as you can, to check that you’re not seeing double images (an alignment check).
But I find that 10x binoculars are difficult to hand hold. You’ll need a tripod, and an adapter. I was able to get an adapter for $8. I already had a very nice tripod ($250).
I find that 8x binoculars can be hand held. So that’s what i recommend. Nothing wrong with 7×35′s, especially if they’re already at the bottom of your closet.
I keep not finding really good deals online.
http://www.telescope.com/control/product/~category_id=binoc_field_sport/~pcategory=binoculars/~product_id=09337
http://www.telescope.com/control/product/~category_id=binocular_standard/~pcategory=binoculars/~product_id=09487
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August 25th, 2010 -- Posted in binoculars |
I have been using the heavens above site to see when the Hubble, the Space Shuttle and the International Space Station will be visible from my location. Unfortunatly we have had a couple of days of clouds.
I have 15×70 and 7×35 binoculars and a 5.1" Meade telescope. How much magnification do I need before these satellites show some shape?
Even at maximum magnification, satellites will be point-like (look like stars) with your binoculars and telescope.
That being said, it’s not impossible to image large satellites such as the Space Station from the ground. If the satellite is 200 kilometers away (pretty darn close), 1 second of arc is a resolution of 1 meter. That’s enough to show some shape. One second of arc is about the best you can do with a moderately-big telescope and good seeing conditions.
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