Burris 200322 Fullfield E1 3-9 x 40 Illuminated Scope (Black) The full field E1 scope has precision ground lenses that are larger than comparable scopes The E1 also features light transmission index-matched lenses with hilume Storm multi coatings The full field E1 as Lo features double internal Springs and positive steel-on-steel adjustments 33 feet at 100 yards (low) to 13 feet at 100 yards (high) field of view 13 millimeters (low) to 5 millimeters (high) exit pupil 50-Inch at 100 yards maximum adjust 12.2-Inch long Weighs 13 ounces