http://www.aikencolon.com/flir-t640bx-thermal-imaging-infrared-camera FLIR T640bx Features Rotatable Optical Block - Allows you to aim the lens down or up along a 120 degree axis as it keeps the display at a comfortable eye level. MSX Enhancement is a new onboard Dynamic Multi-Spectral Imaging enhances visible light spectrum definition withreal time Infrared images for phenomenal detail & instantaneous location orientation, along with quality so high, you don't need separate photos for your reports *(T440 & T640 only)