InfiTac 24.5mm Thermal Imaging Camera 57lp/mm Black. New Lens gives more clear images in low-light. Specifications for InfiTac PG-25 24.5mm Thermal Imaging Camera: Manufacturer: InfiTac Objective Lens Diameter: 24.5 mm Battery Type: CR123 Color: Black Features of InfiTac PG-25 24.5mm Thermal Imaging Camera Gen 2+ Green Phosphor Image Intensifier Tube Aspheric lens Compact & Lightweight Housing Material?Magnesium alloy Package Contents: InfiTac PG-25 24.5mm Thermal Imaging Camera InfiTac PG-25: PG-25 24.5mm Thermal Imaging Camera 57lp/mm Black