Two eyes, a wide field, and no setup at all · review
A waterproof 10x50 with BAK4 prisms, fully multi-coated optics and 25 mm eyecups, published at 360 g.
The bottom line The lightest 10x50 on this shelf by its own published figure, with a specification list that stops where the sales copy starts.
Three hundred and sixty grams. For a pair with fifty-millimetre objectives that is very light indeed — most of this class runs from 700 g upwards — and weight is the specification that decides how long a binocular is actually held to the eyes.
BAK4 prisms, fully multi-coated optics, 25 mm eyecups, waterproofing claimed without a rating, spectacle use stated. The first two are meaningful labels; the third is a comfort figure; the fourth is an adjective.
Four of the five bullets are written as second-person sales prose — imagining the reader’s disappointment, promising reactions from friends. None of them adds a measurement. That is worth noting because the one genuinely useful figure, the weight, is buried among them.
Carrying. It goes in a bag without being a decision, which means it is present on the evening the sky unexpectedly clears — and that is the single strongest predictor of what anybody actually sees.
German Amazon store sat at about 50 € on the day of the survey.
French, Italian and Spanish Amazon catalogues hold a record for it that nobody is selling.
American and British Amazon stores gave no result whatever, so the buy button there opens a search rather than an empty page.
Figures as Keepa reported them on the day this page was last updated. Stock and pricing shift without warning.
Prices quoted in this text were read on 17 September 2026. The live price is at the top of the page.
| Aperture | 50 mm |
|---|---|
| Magnification | 10x, fixed by the design |
| Exit pupil | 5 mm — 50 divided by 10 |
| True field of view | Not published by the maker. |
| Prism type and coatings | BAK4 with FMC optics, as the maker states them |
| Eye relief | 25 mm, per the maker · Stated as suitable |
| Close focus | Not published by the maker. |
| Weight | 360 g, as the maker states it |
| Tripod mounting | Not published by the maker. |
| Supplied accessories | Not published by the maker. |
| Amazon reference | B0F4PM1XK9 (same reference on 4 Amazon marketplaces) |
| EAN | 4262422360247 |
More than most specifications. A pair that tires the arms after five minutes gets put down; one that can be held for twenty shows more. Three hundred and sixty grams is at the very light end for this size.
Little that can be checked. Sealing standards exist and are expressed as ratings; a bare adjective is not one. The claim is reported here as the maker makes it.
10x magnification · 50 mm objectives · 5 mm exit pupil
A 10x50 with BAK4 prisms, fully multi-coated objectives and individual dioptre adjustment, sold as an all-rounder for nature, hunting and astronomy.
Best for: A first astronomy binocular where the exit pupil matters more than the badge
≈ €74
10x · 50 mm · 758 g · waterproof and gas-filled
A waterproof, gas-filled 10x50 with BaK-4 glass, UR coating, twist-up eyecups and a metal centre focuser, published with its weight and dimensions.
Best for: Dusk and astronomy use in weather that would worry an unsealed pair
≈ $166 / £145 / €136
10x · 50 mm · 94 m field at 1000 m · 740 g
A 10x50 with BaK-4 prisms carrying an additional silver mirror coating, published with its field of view, weight, dimensions and close focus.
Best for: The observer who wants to compare figures before buying rather than adjectives
≈ $238 / £181 / €175
