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Binoculars and telescopes: https://www.astronomytelescopes.co.uk/best-astronomy-binoculars-2019/
Best Binoculars For Astronomy And Aviation Enthusiasts
In this video I take a look at binoculars and how they can enrich the experience of stargazing and watching aircraft.
I’ll briefly describe what all the specifications mean so that you can more accurately choose a pair of binoculars that you’ll enjoy using to watch the skies, whether that’s during the day at an airport or air show, or at night.
When it comes to stargazing and exploring the cosmos through a lens most people would probably call to mind the image of an astronomer’s telescope.
These have their obvious benefits but binoculars offer an affordable alternative that are not only cheaper but have the added benefit of being easily transportable and useful for day time use in all kinds of circumstances.
The same binoculars you use for watching the International Space Station passing overhead or for zooming in on night time flights can of course be used during the day at your local airfield or airport.
Some astronomers use binoculars in conjunction with their telescopes. They scan the night sky with the binoculars to find an object then use the telescope to examine it in more detail.
These same binoculars might also be used at sporting events, concerts, or bird watching, but they need to be lightweight so that they are not cumbersome to use when swapping between telescope and binoculars.
Binoculars Buyer’s Guide.
It’s worth paying a little more for your binoculars because of the differences between the cheaper models that deliver views with blurry edges and the clearer, more accurate binoculars that minimise this image distortion.
The better binoculars for astronomy are those with lenses created with extra low dispersion (ED) glass. This type of glass is used in all kinds of optical instruments due to its ability to produce clearer images.
As well as the glass there is the prism type to consider. The consensus among stargazers is to choose binoculars containing a porros prism type as this kind of prism delivers more light from fainter celestial objects.
For all other daylight use the roofer type prism is the norm as it is smaller and therefore allows for smaller and lighter binoculars.
So you’ll have to make a choice based on your intended activity. Will it be mostly during the day watching aircraft, birds, or sports? Or will it be mostly at night, seeking out celestial objects?
Another factor to think about is the build quality of the binoculars. They are likely to be exposed to cold, moist air during the winter months. There is also a risk that they may be dropped or knocked during fieldwork, and we must also consider that since they are handheld devices pressed against the eyes, the look and feel of the materials used is a factor.
Continued in the video…
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