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The BX-5 Santiam HD series consists of top-of-the-range devices with the highest price-performance ratio produced by the American Leupold company. There are five roof prism models with the following parameters: 8x42, 10x42, 10x50, 12x50 and 15x56. All are produced in Japan.

The Action EX series produced by Nikon, one of the most renowned Japanese companies, consists of average price range binoculars with the following parameters: 7x35, 8x40, 7x50, 10x50, 12x50 and 16x50.

Year 2018 brought another change – the binoculars were given a completely new optical constructions and the number of models in that particular line-up decreased to four devices with the following parameters: 8×42, 10×42, 10×50 and 12×50.

The BX-4 Pro Guide HD series produced by American Leupold consists of six roof-prism pairs of binoculars with the following parameters: 8x32, 10x32, 8x42, 10x42, 10x50, and 12x50.The optical system, described shortly as HD, features fluorite elements that are supposed to ensure a perfect correction of chromatic aberration.

Image-stabilized binoculars constitute a quite narrow class of optical instruments and that segment has been dominated for many years by two producers, Canon and Fujifilm. Some might also add Nikon to that list because they feature such binoculars in their line-up as well but the truth is that Nikon binoculars have also been produced by Fuji.

The Ultravid HD series was launched in 2007, superseding the Ultravid series. It consists of roof prism models with objective diameters ranging from 20 to 50 mm. All the binoculars from this series have prisms put in the Schmidt-Pechan system. To ensure high transmission they are covered by dielectric HighLux (HLS) coatings and, additionally, P40 phase coatings.

In March 2017 the Polish Delta Optical company announced a launch of a new series of binoculars called Chase ED. It was supposed to consist of four models with the following parameters: 8×42, 10×42, 10×50 and 12×50.

The BX-1 McKenzie HD series, offered by the American Leupold company, consists of four models with the following parameters: 8x42, 10x42, 10x50, and 12x50. All models are Schmidt-Pechan roof prism devices but the producer does not inform what coatings cover their reflexing surfaces, and whether or not they are also phase-correction coated.

The Vortex Crossfire HD series consists of four models: the 8x42, the 10x42, the 10x50 and the 12x50. All of them are roof prism Schmidt-Pechan devices but on the site of the producer you can't find any information concerning dielectric or phase-correction coatings.

In 2013 Action VII models were replaced by the ACULON A211 series. Nikon presented as many as nine Porro prism binoculars at the same time and they came with the following parameters: 7x35, 8x42, 10x42, 7x50, 10x50, 12x50, 16x50, and two zoom instruments, the 8–16×40, and the10–22×50.

We continue the publication of reviews from our 12x50 binoculars test. This time we took a close look at the most expensive instrument in this test, the Swarovski EL 12x50 Swarovision binoculars. Please enjoy!

The B1 Meostar series produced by Czech Meopta was launched on the market in 2005. They started with the following models: 7x42, 8x42, 10x42, 7x50, 10x50 and 8×56. Then the line-up was complemented by 8x32,10x32 and 12x50 class instruments.

At the beginning of June 2014 the Delta Optical company offered a new, cheap series of binoculars called Discovery. They feature Porro prisms made of Bk7 glass and a metal casing with a rubber armour. The new series is not supposed to replace any older one, it's just a kind of gap-filling line, fitting right between the Voyager and the Entry models.

In 2018 the Vortex company announced new versions of the Viper HD series binoculars. After testing 10x42 and 10x50 models, we invite all our Readers to enjoy the full review of 8x42 model.

In March 2014 Zeiss announced a launch of new Victory HT devices, enlarging this series with two roof prism Abbe-Koenig instruments with the following parameters: 8x54 and 10x54.