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Refractive Collimator attached on LWIR which allow infinity focus testing of IR cameras in the lab. Bodkin's refractive collimator BBC-58 has a 58 mm aperture and is suitable for smaller instruments. Bodkin's 150 mm aperture reflective collimator BBC-152 allows testing of larger IR cameras. The collimating mirror in this unit is an off-axis parabola so the output beam is completely unobstructed, avoiding any diffraction artifacts due to a fold mirror. Both mirrors are coated with protected aluminum so this unit can be used from the Visible through LWIR.
|Band Pass:||7-14 um||0.4-14 um|
|Focal Length:||75 mm||1.14 m|
|Aperture:||>58 mm||>152 mm|
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