Bild: Midwest Optical Systems 
Image: Midwest Optical Systems, Inc.
Midwest Optical presents custom-made protective windows, which can be designed for nearly any type or size application at any wavelength range requirement. The MidOpt Protective Windows are designed to shield the lens and lighting from dirt, dust, liquids, impact, and harsh environments and are guaranteed not to sacrifice image quality. They are offered in glass, acrylic, polycarbonate, sapphire and other substrates, as well as oleophobic, anti-reflection, anti-smudge, anti-fog and hydrophobic coatings. Furthermore, chemically strengthened glass options, including Gorilla Glass are possible. They are available for wavelength and polarization filtering and with various mounting configurations.