Optically Worked Double Convex Glass Lens, 75mm Diameter, 250mm Focal Length Included_Bosshead The hBAR infrared thermometer is

The hBAR infrared thermometer is perfect for remotely measuring the temperature of objects

allowing this tangent galvanometer to convert deflection angle into an absolute current reading

Plastic holder atop a 4

exposing pulmonary and cardiac anatomy separately or together across a 16

Twice life-size longitudinal section reveals nasal cavity

Optically Worked Double Convex Glass Lens, 75mm Diameter, 250mm Focal Length Included_Bosshead The hBAR infrared thermometer isLong focal double convex glass lens at 75mm diameter and 250mm focal length, the f 3. 3 geometry stretching focal throw for distant screen projection of well formed real images.