More Field of View: Exiscan's™ unique square 4"x4" (100mm x 100mm) aperture will not "crop" your image on your camera's squared display even when shooting at steep angles. Smaller windows and round windows were originally fine when research laboratories would shoot straight ahead, but industrial thermographers shoot through windows at angles.
Exiscan's™ polymer optic also allows the thermographer to place his lens directly against the optic, thereby delivering a fuller view. Imagine watching a ball game through a knothole in a fence – are you going to stay 2" back from the fence (as required when using antiquated crystal windows)? Or are you going to put your eye right up to the hole to see the entire game?
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