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  1. B

    "David Bowie" special eye lenses (will your eyes tell the difference?)

    Yellow view either deliberate choice of glass type or impurities. Many of my Soviet binoculars have a yellow cast, but I never noticed until birdforum minutely discusses hues. Barr and Stroud binoculars have grey glass from best Scottish sand, as do my Bresser 15x60s probably Chinese grey...
  2. B

    "David Bowie" special eye lenses (will your eyes tell the difference?)

    Turn it upside down. You probably won't notice the difference. Soviet binoculars typically have different coating colours. The images seem fine. Green grass with my unaided eyes is a different colour in each eye. In addition, one of my eyes sees stars 60% fainter than the other. Regards, B.
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