As well as being brighter, the 10x50 will be a lot easier to hand hold, and offer a wider field of view. All Sprite monoculars feature BaK-4 prisms and fully coated lenses to provide optical performance that is equal to, or better than anything in its class. Lens Coating complete multilayer coating Close Focusing Distance 10 m Lens diameter 50 mm Prism Type Porro BK7 Eye Relief 12.

For this binocular 20x50, as the diameter of the objective lens is 50mm, for binoculars, the larger the diameter of the objective lens, the more light it collects and therefore can be seen more clearly in dimmer places. Firstly, if the binocular in high quality then you will see much better view for moon, Venus, Jupiter and Saturn. I used to have a binocular catalogue by Denhill (a UK brand whose name derives from the address of the vendor's premises on DENmark HILL, in London), and their 20 x 50 was depicted being used for aircraft-watching, so maybe that's another specialist use. I asked the same question about that unit, and one happy owner pointed out that it's ideal for viewing the Moon. I mean, what's the point of the 20x50 format, looks smaller exit pupils for astronomy use, too high magnification for terrestrial views handheld (please exclude from this topic discussion about image stabilized models).

And we purposely crafted these binos with a lightweight, streamlined design so you never have to go without them. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products. Performing a 20x up to 100x magnification, Kenko SG-Z 20-100x30N FMC binoculars incorporate all our experience in designing and developing binoculars of high magnification, as well as high quality and performance.

On the down side, these binoculars are useless for daytime activities but this isn't why I bought them in the first place. Sorry to deviate a bit, but I have just bought a pair of 7x50 Super Zenith with a monobody construction. Rubber is applied to its sturdy, stiff structure so that it can withstand rough handling in the field.Featuring high-quality BAK4 prisms and multicoated lenses the B4 range has a model suitable for most applications. A 20x magnification binocular is considered well suited for plane and aircraft spotting as the high level of magnification allows good levels of detail to be observed over long distances. Polycarbonate construction – All Sprite monoculars are manufactured from lightweight polycarbonate which reduces overall weight and makes it extremely rugged and durable. Porro prisms allow binoculars to be more compact without sacrificing focal length or light ray dispersion as they pass through, maintaining the characteristic "broad-shoulder" form of the lens.