SightMark Shade 256 3.5-28x30 Mini Thermal Rifle Scope Black. 5-28x30 Thermal Riflescope delivers big performance in a compact footprint. Built for hunters who demand clarity reach and reliability after dark this upgraded model features a higher-resolution 1280x720 FLCOS display and a larger 30mm objective lens than its 2-16x counterpart giving you more detail and a tighter 8.7 field of view for identifying heat signatures at extended distances. Specifications for SightMark Shade 256 3.5-28x30 Mini Thermal Rifle Scope: Manufacturer: SightMark Color: Black Magnification: 3.5 - 28 x Objective Lens Diameter: 30 mm Sensor Resolution: 256x192 pixels Display Resolution: 1280x720 pixels Field of View Angle: 6 degrees Attachment Type: Picatinny Battery Type: CR123A Battery Life: 3.5 hours Operating Temperature: -20 - 50 Celsius Weight: 21.9 oz Fabric/Material: Aluminum Battery Quantity: 2 Package Contents: SightMark Shade 256 3.5-28x30 Mini Thermal Rifle Scope SightMark SM17005: Sightmark Shade 256 3.5-28x30 Mini Thermal Rifle Scope Black