SIG SAUER Sierra4-BDX 6-24x50mm 30mm Tube Rifle Scope Second Focal Plane BDX-R2 Digital Ballistic Reticle Black. With a digital focal plane and 194 LED hold points the SIERRA4-BDX brings unmatched accuracy connectivity and clarity to the field. Specifications for SIG SAUER Sierra4-BDX 6-24x50mm 30mm Tube Rifle Scope Second Focal Plane: Manufacturer: SIG SAUER Objective Lens Diameter: 50 mm Magnification: 6 - 24 x Reticle: BDX-R2 Digital Tube Diameter: 30 mm Reticle Focal Plane: Second Focal Plane (SFP) Illumination Color: Amber Field of View Linear: 1.25 - 5 ft at 100 yds Eye Relief: 2.4 - 3.2 in Color: Black Weight: 24.4 oz Adjustment Click Value: 0.25 MOA Length: 13.9 Adjustment Type: MOA Illumination Type: LED Battery Type: CR2032 Light Transmission: 95 percent Weather Resistance: Waterproof Water Resistance Level: IPX-7 Battery Quantity: 2 Features of SIG SAUER SIERRA4-BDX 6-24x50mm 30mm Tube Rifle Scope Digital Focal Plane BDX Ballistic Data Xchange Technology: Pairs with KILOBDX rangefinders to calculate and display an exact holdover dot using real-time ballistic and environmental data. BDX-R2 Digital Reticle: 194 individually controlled LEDs on a digital focal plane for hyper-precise aiming. SmartBDC Technology: Choose from 9 onboard ballistic groups or customize your setup for total control. Advanced Bluetooth Antennae: Improved connectivity up to 30 yards perfect for shooter-spotter pairs when terrain dictates your position. Package Contents: SIG SAUER Sierra4-BDX 6-24x50mm 30mm Tube Rifle Scope Second Focal Plane SIG SAUER SOSBDX4611: Sierra4-BDX 6-24x50mm 30mm Tube Rifle Scope Second Focal Plane BDX-R2 Digital Ballistic Reticle Black