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Vixen Foresta 7x50 ZCF

  • Binoculars Vixen Foresta 7x50 ZCF
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Manufacturer Vixen
Model Foresta 7x50 ZCF
Lens diameter [mm] 50
Magnification [x] 7
Angular field of view [deg] 7.1
Linear field of view [m/m] 125/1000
Exit pupil [mm] 7.14
Eye relief [mm] 20
Min. focusing dist. [m] 11
Twilight factor 18.71
Brightness 51.02
Prisms BaK-4/Porro
Dimensions [mm]
Weight [g] 860
Waterproof Yes
Nitogen filling Yes
Argon filling No
Image stabilization No
Tripod exit Yes
Focusing central
Warranty [years]
Price 0
Additional information
Average rating (2 owners reviews)
Build quality
Optical quality
Accesories and usage
Value for money


4.75 Good
Owners reviews (2)
  1. Westley
    Westley 5 March 2019, 19:38
    Build quality
    Optical quality
    Accesories and usage
    Value for money


    IP 93.47.x.x
    Owner since: 5 years
    Price: 220
    User profile: Amateur

    Cons: Mechanics quality

    Pros: Optics quality price ergonomics light

    Summary: economic mechanics so light for a 7x50, but optical quality of the highest level.Vale 4 times the purchase price.Exceptional sharpness contrast and three-dimensionality.There is not an image so 60 degrees apparent.If someone knows something similar to 60 degrees I would be happy to be informed. I put alongside a WO too but nothing to do ... cleaner and clearer image contrasted and crystalline in the Vixen..with smaller prisms then ... recommended!

  2. FrankD
    FrankD 28 February 2012, 20:29
    Build quality
    Optical quality
    Accesories and usage
    Value for money


    IP 204.186.x.x
    Owner since: 1 month
    Price: $300 US
    User profile: Amateur

    Cons: Physically long and heavy for a general use binocular but notably lighter than other 7x50s.

    Pros: Excellent optical performance in the areas of apparent sharpness, apparent contrast and apparent brightness. Very good CA control and a very large sweet spot of image in focus and free of distortion.

    Summary: Optical Performance: Everyone always loves to cut right to the chase so why bother posting about the accessories or other items initially? I always scan through reviews until I see words like “brightness, sharpness, CA control, etc…". So let’s start here. Optically this binocular is extraordinary. Its object performance is among the very best binoculars I have had the privilege to own or use. Apparent brightness, apparent contrast and apparent sharpness are all excellent and have to be considered comparable to anything else currently on the market. How could you not expect that from a fully multicoated porro prism model with a triplet 50 mm objective costing at/around $300? Oh, I did forget to mention that. This particular configuration is the only one within the Foresta product line that offers a triplet objective. This helps to produce an image that is practically free of chromatic aberration (color fringing on high contrast objects) throughout most of the entire field of view. I say “most” because CA is very well controlled within the sweet spot of image in focus and relatively free of distortion. Which brings us to another area of optical performance…the size of the sweet spot? The “Sweet spot” on this model is huge. Without moving the binoculars and just letting your eyes scan around the huge 7+ mm exit pupil it almost appears as if the sweet spot covers the entire field of view. Truly sharp from edge to edge. When panning up and down though you begin to notice a slight loss of image sharpness in the outer 5-10% of the field of view. It is very subtle though and not objectionable in the least. It is in this area of slightly out of focus image that you can also readily detect color fringing. It is moderate in degree but certainly noticeable especially in comparison to the rest of the image. It is a combination of the size of the sweet spot and the excellent apparent depth of field that make one almost forget about the narrowish field of view. I have to admit that this is one of only a handful of binoculars that I am never disappointed with when I place them up to my eyes. The image almost feels as if it “assaults” my eyes with it brightness, contrast and sharpness. Because of the porro design’s pronounced 3D effect and because of the 7x magnification these, for me, are almost a “focus it and forget it” type of design. Focusing on an object 25 feet away I am able to view everything from that distance all the way out to infinity without having to touch the focusing knob. I do realize that a bit part of this is the flexibility of my 39 year old eyes but some credit also has to be given to the binocular itself. When you also consider the huge exit pupil and all of the other optical performance areas that this binocular excels at then you end up with a truly comfortable and relaxing image. Antireflective coating reflections on both the objectives and eyepieces are a deep green. I have an extremely difficult time seeing my reflection in the objectives. Ergonomics: As mentioned previously, this is a 50 mm porro prism binocular so don’t expect to find something “cute and cuddly” like a Nikon SE 8x32. I will post a picture or two below with the 7x50 Foresta in comparison to a smaller 7x35 Vintage porro below. It is about 7 inches long and 7 inches wide and weighs a little over 31 oz. Not a small or compact binocular at all. Still, from my experience with other current models, and many classic 7x50s, it is a fairly lightweight 7x50 model. In terms of handling I find nothing objectionable about it when you consider my comments above. I do find that I can hold it steadier by gripping it along objective barrels instead of having my hands around the prism housings. This is to be expected considering the length of the binocular and the weight distribution. This is fine if I am focusing on objects beyond 25 feet because of what I mentioned previously. For situations that might warrant constant refocusing I tend to prefer to keep one hand on the objective barrel and the other around the prism housing. This allows me to obtain almost as steady of an image and still be able to focus effortlessly. Mechanics/fit and finish: I rate this binocular very highly in terms of fit and finish. The rubber, pebbled armoring is very comfortable to hold and yet provides enough purchase for my hands not to slip off of the barrels or prism housing. It is fully armored except for the central hinge itself. Focusing tension and speed are certainly to my liking. It takes 1.25 turns to go from a close focus of about 12 feet (notably under the advertised spec of 19 feet) to infinity. Focusing tension is very smooth and precise. There is no play or backlash in the focusing mechanism. Focusing is clockwise from close focus to infinity. The rotating rubber eyecups have two intermediate stops between fully collapsed and fully extended. Advertised eye relief is 21 mm but you lose 3-4 mm because of how recessed the ocular lens surface is in comparison to the edge of the eyecup. I have no problem seeing the fieldstop completely around the outer edge of the image. Central hinge tension on this particular unit is perfect for my tastes. Stiff enough so that it does not move inadvertently. The strap lugs are recessed into the prism housing on the bottom/ocular corner of the prism housings. The binoculars hang flat on my chest when in use. Summary: I make no attempt to hide that these are not your “average birding binoculars”. They aren’t your average birding binoculars because of their size and weight. They also aren’t your average birding binoculars because the optical performance in almost every area besides field of view is among the very best I have had the privilege of using. If size isn’t an issue for you and you want the best optical performance and are on a relatively tight budget then I highly recommend this binocular. Its optical performance level is only equaled by the value it offers.

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