The objective lens diameter specifies how much light can enter the optics. This makes it a key factor in an instrument’s performance, for example, in twilight. The bigger the objective lens diameter, the more light the objective lens can capture. The darker the surroundings, the larger the objective lens diameter needs to be. Check the precise product name as the number after the ‘x’ specifies the objective lens diameter in millimeters. For example, a device with the suffix 10x42 has an objective lens with a diameter of 42 mm.
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*Image for illustrative purposes only. While stocks last. Valid in the SWAROVSKI OPTIK online store or at authorized, participating dealers for all new orders placed between August 1 and September 30 (except North America and Canada).
EL 10x42 binoculars capture the crucial details with their 10x magnification. Ideal for observing over long distances.