The Swarovski Optik Twist-in Eyecup (44041) adjust to suit eye distance and protects against dirt and rain. Swarovski special eyecups are made from fully-tested, non-allergenic material for Swarovski SLC 15x56 & EL 10x42 binoculars should prevent intrusion of irritating ambient light.
Reviewed by 1 customers
This product will not fit 10x42 EL. Wrong dimensions. There's no negative star rating option.