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In the same way, big lenses are able to capture and potentially transmit more light into the instrument. This increase in light ‘information’ can improve image brightness and quality. Choosing the right magnification for your desired uses is also extremely important as it affects the way a binocular performs in a whole host of different ways.
FOV stands for Field-of-view, and it is the same as vision. The magnification of binoculars is used to determine the width of the image. They are optical instruments that allow us to peer into the distance. Lippers, from Middelburg, invented the first Dutch binoculars in 1608. The magnification of binoculars is determined by the position of two identical telescopes mounted next to each other, and they are aligned to point in the same direction. The prisma in these files ensure that the image is raised correctly. The diameter of the light reflected in the eyepiece is referred to as the exit pupil.Where light gathering and low light performance is critical, like astronomy, for example, binoculars can have very large 100mm lenses or even more in some cases. Their size obviously plays a large part in determining the overall dimensions of the instrument and larger lenses generally weigh and cost more to make. However their size also has a big effect on the image quality, brightness and low light performance of the device. Image Quality & Brightness
The optical system offered small, yet beautiful, views of star fields, planets and the moon. (Image credit: Gemma Lavender)The Nikon Travelite EX 8x25 binoculars are extremely robust and durable for their compact size, featuring a rubberized coating and powerful waterproofing designed to keep them safe for up to five minutes in water up to two meters deep. This makes them a great choice for a variety of outdoor pursuits like nature walks, wildlife spotting, sporting events and casual stargazing. Best binoculars for nature:A high magnification combined with a smaller and lighter objective lens will make for a good combination here. Some binoculars offer 10x26, and anything in that ballpark should work. However, if you do want to use a heavy pair, consider choosing one that can be affixed to a tripod. That way, you don't have to get tired arms from holding it! This is very important to be aware of because your eyes require enough light for you to be able to perceive a bright, high-quality image. Stylish, small and lightweight, the Nikon Aculon T02 8x21 offers limited — yet pleasing — views of planets, the moon and star fields. (Image credit: Gemma Lavender)
They are on the heavier side (for compact binoculars) at 10 oz /289 g, which is relative to the robust build quality, and they are still nicely compact at 4.61 x 4.53 x 1.57-inches. You can also have too much of a good thing with the binoculars supplying your eyes with more light than they need. To guarantee you're getting honest, up-to-date recommendations on the best compact binoculars to buy here at Space.com, we make sure to put every binocular through a rigorous review to test each instrument fully. Each telescope is reviewed based on many aspects, from its construction and design, to how well it functions as an optical instrument and how it performs in the field.The second number refers to lens size. A larger lens will make the image brighter and clearer, especially in low light, but will also make the binoculars bigger and heavier (and probably more expensive) Binocular magnification is sometimes referred to as power, I will just use the term magnification. You will notice the “x” alongside the “8” in my example, this belongs with the number. Meaning “8x” or eight times magnification. Binoculars have lots of different specs, but there are two key ones that are best to focus on if you want to keep things simple. These are magnification and lens size. U’ binoculars are suitable for viewing objects in close-up and far away and provide excellent indoor or outdoor visibility and brightness at an affordable price.
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