Dimensions129 x 135 x 51 mmWeight634 g Glass properties Prism materialBaK-4Phase-correctedYesLens coatingfull multi-coating Optical properties Magnification10 xLens diameter42 mmExit pupill4.2 mmGeometric [...] D 10 x 42 compact+ Art. Nr. 4251142 True-to-colour, bright, compact: The ideal companion for birdwatching. Product PropertiesBrilliant, true-to-life colour images due to phase-corrected Bak-4 prisms