diriving infrared binoculars
夜行车用红外双筒望远镜

• spherical lateral aberration
• spherical lens
• spherical longitudinal aberration
• spherical microshell target
• spherical mirror
• spherical mirror cavity
• spherical mirror interferometer
• spherical mount
• spherical radistor
• spherical reference cavity
• spherical reflector
• spherical refracting surface
• spherical roller bearing
• spherical surface
• spherical triangle
• spherical wave
• spherical wave front
• sphericity
• sphericity interferometer
• spherochromatic aberration
• spherochromatism
• sphero-cyindrical lens
• spherocylinder spectacle lens
• spheroidal function
• spheroidal-mirror