Used for high- power magnification such as in jewelry appraisement, the printing industry or drafting
NORMAL LENS TYPE
THREE LENS STRUCTURE
The way the light refracts through a lens varies, depending on the light wavelength. The light passing through a lens disperses to the 7-color spectrum like a rainbow so does not converge. Each color has own focal point. The Acromatic lens is made by bonding lenses with different refraction indexes to adjust the different color focal points so they converge.
The concept is the same as the Acromatic lens. To correct the focal points more efficiently, 3 lenses are bonded together. For jewelry appraisement, this lens is highly recommended.