http://www.aikencolon.com/flir-t420-thermal-imaging-infrared-camera
FLIR T420 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)
Picture in Picture & Thermal Fusion - Blend visible and thermal infrared images onscreen so you can clearly identify targets; use the fusion threshold for isolating hotspots in a particular scene
Manual and Autofocus - Use the manual control option or push button fast autofocus to capture accurate images
