lub lens tsom mus rau huab cua

Lub hom phiaj ntawm kev tsim cov iav tsom iav Air-Spaced yog kom txo qhov aberration thiab ua tiav qhov me me tshaj plaws. Cov iav tsom iav triplet achromatic raug kho xim; ob qho tib si laser beam ua haujlwm thiab kev tshuaj xyuas pom beam yuav tsom mus rau tib qho chaw tsom mus rau lossis ob qho ze tshaj plaws.