Since the refractive index of glass may differ with wavelength, just about every property of a lens that is determined by its refractive index also differs with wavelength, such as the focal duration, the graphic distance, along with the picture magnification. The change of picture length with wavelength is named https://bluetoothspeaker02085.get-blogging.com/30377922/the-single-best-strategy-to-use-for-best-bluetooth-speaker