tics, aspherical lenses and IR optics, focus variable lenses, laser speckle reducers and acousto optic devices. Our spectrometer range includes spectr
. Our aspheric lenses are designed to correct theimage defects created by traditional spherical lens surfaces and can be highlyeffective in focussing ...grade aspheric lenses and more economical plastic grade versions. Inour concave lens range, we stock a number of different versions from qualitygrade
