AL500 Auto Lensometer® offers all the features of the AL200 model with added benefits such as a space-saving vertical orientation and incorporation of a color LCD screen that affords a bright and exceptionally clear display while guaranteeing a relaxed and glare-free vision irrespective of whether you are sitting or standing. The innovative PAL mode features an automatic add-lock and peak add-value graphical screen combination that provides for easy estimation of maximum add-value of a progressive addition lens. Printing the entire set of measured data is convenient with the built in printer that is fast and silent.