Resolve Optics Ltd. designs and manufactures custom optical systems for use in harsh environments. For high-temperature environments, the company has developed optical systems that will operate at up to 950 °C without cooling. For radioactive environments, it offers custom lens systems and through-wall endoscopes that can withstand radiation doses of up to 100,000,000 rad without degradation of operation. For defense and aerospace applications, compact optical systems that combine high performance and resistance to dirt, moisture, constant vibration and shock are available. The lenses offer high-resolution large apertures to ensure maximum use of the available light, wide fields of view with little or no distortion, and optical designs and coatings that are balanced for best functioning at a desired wavelength or waveband.