Ultradot L/T Black 26mm UDLT. The achromatic reflex BK 7 optical lens on this Reflex Sight from Ultradot produces a clear high resolution image and is 26mm in diameter allowing a wide field of view. The Ultra Dot Red Dot Reflex BK7 Weapon Sight has a 27 layer special coating to eliminate double dots or split images. Specifications for Ultradot L/T Red Dot Sight: Manufacturer: Ultradot Color: Black Magnification: 1 x Objective Lens Diameter: 25 mm Reticle: 4 MOA Red Dot Illumination Type: LED Illumination Color: Red Brightness Settings: 10 Adjustment Type: MOA Adjustment Click Value: 1 MOA Emitter Type: Open Battery Type: CR2032 Battery Quantity: 1 Length: 51 mm Width: 28 mm Height: 37 mm Weight: 58 g Magnification Type: Fixed Red Dot Sights-Footprint: Not Applicable Mount Type: Picatinny Gun Rail: Picatinny Features of Ultra-Dot Red Dot Sight - Ultradot L-T: Compact Lightweight BK7 Achromatic Optical Lens Wide Field of View 27 Layer Special Coating Eliminates Double Spots Sharp Aiming Dot Package Contents: Ultradot L/T Red Dot Sight Lens cover 2 hex wrenches battery Ultradot UDLT: L/T Red Dot Sight Black 26mm