Reticle: SFP BDC (Second Focal Plane, Bullet Drop Compensation)
Side Focus: Indicates that the riflescope has a side parallax adjustment or focus adjustment.
Key features of the Sig Sauer Whiskey4 3-12x44 riflescope may include a versatile magnification range from 3x for closer-range shooting to 12x for mid-range distances, a 30mm tube for durability and light transmission, and a second focal plane reticle (SFP) which means the reticle's subtensions remain the same size at all magnifications.
The Bullet Drop Compensation (BDC) feature in the reticle is designed to assist with quick and easy holdover or elevation adjustments for different distances. The Side Focus feature indicates that the riflescope allows the shooter to adjust parallax and focus from the side of the scope, typically used for enhancing image clarity at different distances.
