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Vortex Diamondback 8x42

  • Binoculars Vortex Diamondback 8x42
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Manufacturer Vortex
Model Diamondback 8x42
Lens diameter [mm] 42
Magnification [x] 8
Angular field of view [deg] 7.5
Linear field of view [m/m] 132/1000
Exit pupil [mm] 5.25
Eye relief [mm] 17
Min. focusing dist. [m] 1.5
Twilight factor 18.33
Brightness 27.56
Prisms BaK-4/roof
Dimensions [mm] 147x130
Weight [g] 618
Waterproof Yes
Nitogen filling No
Argon filling Yes
Image stabilization No
Tripod exit Yes
Focusing central
Warranty [years] lifetime
Price 0
Additional information
Average rating (2 owners reviews)
Build quality
Optical quality
Accesories and usage
Value for money


3.88 Average
Owners reviews (2)
  1. Harry Mac
    Harry Mac 31 October 2018, 20:49
    Build quality
    Optical quality
    Accesories and usage
    Value for money


    IP 82.109.x.x
    Owner since: 1 year
    Price: £200
    User profile: Amateur

    Cons: Small \"in focus\" bracket. Won\'t retain much resale value.

    Pros: Good low light performance. Light weight Good price

    Summary: I \"down graded\" to these from a pair of Swarovski SLC when a need to generate quick cash arose, so I sold the Swaros. In practical terms, there isn\'t much difference between the two. Obviously, the build quality is not in the same ball park as the Swarovski product, but they are only about 1/9th of the price. I use them for deer stalking, and am usually out and about at first and last light. I have not felt at a disadvantage since starting to use the Vortex bins, and they are certainly a lot easier on the neck when it comes to carrying them

  2. La Mer
    La Mer 2 June 2017, 01:57
    Build quality
    Optical quality
    Accesories and usage
    Value for money


    IP 91.115.x.x
    Owner since: 1 month
    Price: 330 Euros
    User profile: Semipro

    Cons: - Very strong glare - Incredible amounts of grease on the edges of the inner tubes (that move when you adjust the focus) - Field of view (7.5░) smaller than in the old Diamondback 8x42 and smaller than I like it (though still wider than average)

    Pros: - NO rolling ball effect (globe effect) at all! - Image crisp in the center, bright, good contrast (CA a bit high, but still acceptable); the sweet spot isn\'t big, but that can\'t be expected at this price tag - Overall feel is good (rubber armour, central hinge) - Case, rainguard and objective covers of good quality - Good warranty (if they keep what they promise)

    Summary: Could be a good bino for the price, but as usual in this class, a few avoidable issues spoil the whole thing: As soon as you have the sun in your face, even though it be far from the field of view, you get VERY strong glare; especially awkward when the sun is low over a reflecting surface (water). Other binos in this class perform much better here. Also, there is so much grease on the edges of the inner tubes, that I feared it might liquify on a hot day, running onto the objective lenses. I sent the bino back for these reasons. Summury: I don\'t to understand how these things can happen: the high-tech part (prisms, lenses, coatings) well done, the low-tech part (sensible amount of grease, blackening of tubes) is a complete failure. Why not have a reasonabe quality control and sell the device for 50 Euros more?

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