Zeiss DTI Thermal Imaging Cameras
Zeiss DTI Thermal Imaging Cameras are available in eight models. Higher model numbers have more features and the /numbers indicate focal length so higher numbers mean more magnification. The current models are: DTI 1/19, DTI 1/25, DTI 3/25 Gen 2, DTI 3/35 Gen 2, DTI 4/34, DTI/50, DTI 6/20, and DTI 6/40. DTI 6 has interchangeable lenses in 20mm and 40mm.