watertight and thus suitable for any kind of weather.Nitrogen filling prevents misting of the internal optics if the temperature fluctuates.Spectacle eyepieces afford an optimal field of view even when wearing [...] x 54 mmWeight619 g Glass properties Prism materialBaK-4Lens coatingfull multi-coating, silvering Optical properties Magnification8 xLens diameter42 mmExit pupill5.25 mmGeometric luminosity27.6Twilight number18

watertight and thus suitable for any kind of weather.Nitrogen filling prevents misting of the internal optics if the temperature fluctuates.Spectacle eyepieces afford an optimal field of view even when wearing [...] x 50 mmWeight489 g Glass properties Prism materialBaK-4Lens coatingfull multi-coating, silvering Optical properties Magnification8 xLens diameter32 mmExit pupill4 mmGeometric luminosity16Twilight number16Near

270 or 282 grams.Weatherproof because watertight.Nitrogen filling prevents misting of the internal optics even if the temperature or altitude changes considerably.Spectacle eyepieces afford an optimal field [...] 114 x 114 x 39 mmWeight270 g Glass properties Prism materialBaK-4Lens coatingfull multi-coating Optical properties Magnification10 xLens diameter26Exit pupill2.6 mmGeometric luminosity6.8Twilight number16

270 or 282 grams.Weatherproof because watertight.Nitrogen filling prevents misting of the internal optics even if the temperature or altitude changes considerably.Spectacle eyepieces afford an optimal field [...] 114 x 114 x 39 mmWeight282 g Glass properties Prism materialBaK-4Lens coatingfull multi-coating Optical properties Magnification8 xLens diameter26Exit pupill3.25 mmGeometric luminosity10.6Twilight number14

Accessories Cleaning spray Art. Nr. 1066 Product PropertiesSpecial cleaning spray for optical surfaces, e.g. lenses and displays of electronic low vision aidsSuitable for all screens (TFT, LED, LCD

270 or 282 grams.Weatherproof because watertight.Nitrogen filling prevents misting of the internal optics even if the temperature or altitude changes considerably.Spectacle eyepieces afford an optimal field [...] 114 x 114 x 39 mmWeight270 g Glass properties Prism materialBaK-4Lens coatingfull multi-coating Optical properties Magnification10 xLens diameter26 Exit pupill2.6 mmGeometric luminosity6.8Twilight number16

270 or 282 grams.Weatherproof because watertight.Nitrogen filling prevents misting of the internal optics even if the temperature or altitude changes considerably.Spectacle eyepieces afford an optimal field [...] 114 x 114 x 39 mmWeight282 g Glass properties Prism materialBaK-4Lens coatingfull multi-coating Optical properties Magnification8 xLens diameter26 Exit pupill3.25 mmGeometric luminosity10.6Twilight number14

optimum handlingWeatherproof because watertightNitrogen filling prevents misting of the internal optics even if the temperature or altitude changes considerablySpectacle eyepieces afford an optimal field [...] mmWeight1247 g Glass properties Prism materialBaK-4Lens coatinghighly transmitted full multi-coating Optical properties Magnification8 xLens diameter56 mmExit pupill7 mmGeometric luminosity49Twilight number21

for the discerning discoverer. Product PropertiesBright, wide field of view from high quality optics in combination with a large lens diameter of 56 mm.Extremely detailed images with stereoscopic depth [...] Prism materialBaK-4Phase-correctedJaLens coatingfull multi-coatingExtra-Low-Dispersion GlassJa Optical properties Magnification8 xLens diameter56 mmExit pupill7 mmGeometric luminosity49Twilight number21

watertight and thus suitable for any kind of weather.Nitrogen filling prevents misting of the internal optics if the temperature fluctuates.Spectacle eyepieces afford an optimal field of view even when wearing [...] properties Prism materialBaK-4Prisms mirror coatingsilveringLens coatingfull multi-coating, silvering Optical properties Magnification10 xLens diameter50 mmExit pupill5 mmGeometric luminosity25Twilight number22