Shown here is a visual comparison of the 5 meter detection standard lens with the 5 meter detection low profile lens. The Low Profile Lens reduces the overall height of the sensor by 3.5 mm. Additionally, the diameter of the lens that protrudes from the housing is reduced by half a millimeter. Minimizing the height of the sensor allows customers to make a slimmer product as the sensor is typically the tallest component on the board. Please note that both of these lenses are compatible with the exact same TO-5 metal can dimensions and footprint.