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Zhumell Tachyon 25x100

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  • Binoculars Zhumell Tachyon 25x100
Manufacturer data

Manufacturer:

Zhumell
web site

Distribution / Sales:

BRAK
web site
Specifications
Manufacturer Zhumell
Model Tachyon 25x100
Lens diameter [mm] 100
Magnification [x] 25
Angular field of view [deg] 3
Linear field of view [m/m] 52/1000
Exit pupil [mm] 4
Eye relief [mm] 15.4
Min. focusing dist. [m] 27
Twilight factor 50
Brightness 16
Prisms BaK-4/Porro
Dimensions [mm] 385x270x138
Weight [g] 5000
Waterproof Yes
Nitogen filling No
Argon filling No
Image stabilization No
Tripod exit Yes
Focusing individual
Warranty [years] 0
Accesories
Price 0
Additional information
Average rating (1 owners reviews)
Build quality
Optical quality
Accesories and usage
Value for money

Overall

4.25 Good
Owners reviews (1)
  1. Jarrod
    Jarrod 7 February 2013, 07:19
    Build quality
    Optical quality
    Accesories and usage
    Value for money

    Overall

    IP 108.67.x.x
    Owner since: 1 month
    Price: $230
    User profile: Amateur

    Cons: Minimum IPD of ~60mm Heavy - requires a sturdy mount Built-in tripod mount has some play in it A fair amount of CA when viewing bright objects

    Pros: Great light gathering My pair was perfectly collimated Excellent price/performance Comes with nice hard case Accepts standard 1.25" filters (but this subtracts from eye relief)

    Summary: Very impressed with the build quality and performance for the price. Not top-quality optics but very good for the price. Provides excellent views of star clusters and nebulae. I was even able to make out the bands of jupiter. Requires a *very* sturdy, tall mount. I use a D&S provista18 video tripod with FM18 fluid head and it works well. I also recommend adding a spacer between the head and the built-in tripod mount. The tubes are so large on these that clearance with the tripod head may be an issue.

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