binocular choosing

I was very surprised that the Fujinon KF 8x32W has very few reviews. As it turned out, there are models that are very similar in characteristics and appearance to it – Sightron “Blue Sky” II 8×32, Kenko Ultra View EX OP 8×32 DH II, Vixen New Foresta HR 8×32 WP. Their case looks a little different, and also, most likely, a different coating, but there is a very high probability that optically they MAY BE similar to Fujinon KF 8x32W, and he himself is the “reincarnation” of the above binoculars.

Fujinon KF 8x32W

Declared specifications from the manufacturer’s website:

Also declared full multilayer coating (FMC), phase and silver coating of prisms. ЧИТАТЬ ДАЛЕЕ (READ MORE) > > >

Binoculars DDoptics Nachtfalke 8×56 Gen 2.1

A small introduction. The exit pupil of an optical device is a small circle at the exit from the eyepiece in which all the light collected by the lens is concentrated. To calculate the size of the exit pupil, it is enough to divide the diameter of the binocular lens by increasing. For example, with 8×56 binoculars it is 7 mm, and with 10×25 binoculars – 2.5 mm. The larger the exit pupil, the brighter the image at dusk and at night. As a rule, for daytime observations, a pupil of about 3 mm is sufficient, and for astronomical observations, preferably from 4 mm and more. At night, the human pupil expands to 6-8 mm, so in binoculars usually the value of the exit pupil does not exceed 7 mm, otherwise the light at the exit of the eyepiece will go past the pupil. Binoculars, in which the exit pupil is 6-7 mm, are called PUPIL EQUAL. When this is achieved the maximum brightness of the image. If you compare 8×56 and 8×30 binoculars in the night sky, then the image brightness in binoculars 8×30 will be 3.5 times less, since with the same magnification the lens of 8×30 binoculars is 3.5 times smaller in area, and, accordingly, less light falls into the observer’s pupil.

For a long time I looked at the pupil equal binoculars. I was not impressed with the low-end models (Nikon Aculon 7×50, ZOMZ 7×50, Yukon Point 8×56), so for the time being I was using Nikon Sporter EX 8×42 binoculars. However, it was possible at a reasonable price to get used binoculars with DDoptics Nachtfalke Ergo 8×56 gen II roof glasses (hereinafter DDoptics 8×56). Initially, there was little information on this binocular, but after the purchase I found quite a few reviews of this binocular, produced under other brands. Apparently, the binoculars turned out successful, since it began to be sold immediately in various reincarnations. In general, I will not pull, proceed to the review.

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Pentax SP 10×50 WP

Specifications are stated:

Looks tempting, right? Well, let’s get down to testing.
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Pentax Papilio 8.5×21

Давно хотел небольшой легкий бинокль для дневных наблюдений, который не будет тянуть рюкзак, как Nikon Sporter EX 8×42. Посматривал и на китайские 5х25 широкоугольные бинокли,  и на различные компактные бинокли типа Nikon Aculon T01 8×21. Хотелось и небольшой вес, и малые габариты, и достаточно большой вынос зрачка.  К кратности особых требований не было, однако слишком маленькая кратность не интересовала. Фактически нужен был легкий дневной дублёр основного 8х бинокля. Тут я обратил внимание на Пентаксы, а именно на модель Pentax Papilio 8.5×21. Из особенностей – минимальная дистанция фокусировки составляет лишь полметра! То есть можно рассматривать всяких жучков, паучков, всякую мелочевку в музеях за стеклом и т.д. Заманчиво!
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