Monstrum Marksman 3X Prism Scope Black. We keep noticing the same thing pop up with almost every review "quality product" "holds zero" "clear glass" and everything else you want out of your red dot sight. We agree with them too; these prism sights have better optical quality than other Prismatic Red Dot Sights because they use a glass prism optical system rather than a refracting lens system like traditional scopes. If you're looking for a prism sight that will fit your shooting needs check out the Monstrum P330 Marksman 3X Prism Scope today Specifications for Monstrum P330 Marksman 3X Prism Scope: Manufacturer: Monstrum Color: Black Fabric/Material: 6061 Aluminum Magnification: 3 x Objective Lens Diameter: 30 mm Objective Window Size: 30 mm Reticle: Illuminated Circle Dot Illumination Color: Red Eye Relief: 3.5 - 3.9 in Adjustment Type: MOA Adjustment Click Value: 1/2 MOA Emitter Type: Enclosed Field of View Linear: 39.3 ft at 100 yds Battery Type: Lithium Battery Quantity: 1 Shockproof: Yes Weight: 1 lb Included Accessories: CR2032A Battery Lens Cloth Red Dot Sights-Footprint: Not Applicable Features of Monstrum P330 Marksman 3X Prism Scope Prism optics with very sharp sight picture. Compact rugged design. Package Contents: Monstrum P330 Marksman 3X Prism Scope Monstrum P330-B: P330-B Marksman 3X Prism Scope Black