Bresser Alpen Apex Rifle Scope 2.5-15x50 30mm Tube Rifle Scope First Focal Plane WBDC-A Reticle Black. Fast focus eyepieces and generous eye relief are found on all models. This scope includes flip-open covers cleaning pen and Picatinny rings. Specifications for Bresser Alpen Apex Rifle Scope 2.5-15x50mm 1 inch Tube Rifle Scope First Focal Plane: Manufacturer: Bresser Objective Lens Diameter: 50 mm Magnification: 2.5 - 15 x Reticle: WBDC-A Tube Diameter: 30 mm Reticle Focal Plane: First Focal Plane (FFP) Exit Pupil: 11 - 3.3 mm Field of View Linear: 40.4 - 6.8 ft at 100 yds Field of View Angle: 7.7 - 1.3 degrees Eye Relief: 100 mm Color: Black Adjustment Click Value: 0.25 in at 100 yds Adjustment Type: MOA Optical Coating: Fully Multi-Coated Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes W/E Travel at 100 Yds: 25 MOA Gun Type: Rifle Features of Bresser Alpen Apex Rifle Scope: WBDC-A reticle 1st focal plane 30mm tube diameter 1/4 MOA click adjustments Fully multi-coated glass Waterproof fogproof shockproof Package Contents: Bresser Alpen Apex Rifle Scope 2.5-15x50mm 1 inch Tube Rifle Scope First Focal Plane Bresser 4012: Alpen Apex Rifle Scope 2.5-15x50 30mm Tube Rifle Scope First Focal Plane WBDC-A Reticle Black