SWAROVSKI OPTIK 8.5 x 42 EL Binoculars with FieldPro Package (Green) with Smartphone Adapter BundleSwarovski 8. 5x42 EL Binoculars with 2021 FieldPro Package (Green) Swarovski's 8. 5x42 EL Binoculars feature a high transmission optical path, legendary Swarovski optical coatings, and a weather sealed magnesium alloy housing that delivers an exceptional performance with the ability to withstand extreme conditions, and were developed to give hunters and birders a slightly higher magnification than standard 8x optics while preserving a wide angle field