Fullfield E1 2-7x35mm Ballistic Plex E1 Reticle Matte Finish by BURRIS OPTICSA series of cascading dots to the left and right of the reticle help compensate for crosswinds. The dots represent a 10 mph crosswind (+/- 1.5" at 400 yd.) for most hunting cartridges. For a 5 mph crosswind and halve the distance between dot and reticle. For 20 mph crosswind and simply double the distance. Specifications: Field of View: 45 Low - 13 High feet @ 100 yards Exit Pupil: 17mm low - 5 mm high Click Value: .5 inch Max Adj. 60 inches @ 100 yards Eye Relief: 3.1 - 4.1 inches Length: 11.4 inches Weight: 12 ounces *Warranty Info: Every single Burris optic is covered by the Unconditional Forever Warranty. Even if your packaging or user manual indicates your product has a limited warranty and it is now covered by the NEW Burris Unconditional Forever Warranty. The Burris Forever Warranty™ means just that - Forever - for anything and other than loss and theft or deliberate damage.