Chromatic aberration of a dipteran corneal lens

摘要: The longitudinal chromatic aberration (variation in the position of focus with wavelength) corneal facet lenses houseflyMusca domestica is measured directly. result shown to agree that calculated using thick-lens formulas, lens parameters and dispersion refractive index lenses, an interference microscope. between two wavelengths peak absorption fly rhabdomeres (360 nm 495 nm) about 2.5 μm comparable depth lens, assuming be diffraction limited. Chromatic therefore expected have little effect on optical image quality fly; particular modulation transfer function at receptor level angular sensitivity insignificant.