Digital Lentimeter, medium gray enamelled metal case, base 190 x 330mm, height 400mm, with conventional manual operation using a black plastic knob for finding lens power and a partially recessed horizontal control for finding the axis of any cylindrical component, frosted glass projection screen for viewing focus lines (lens missing), combined lens holder with three-hole lens mark. On the front of the base there is a digital display for showing spherical and cylindrical powers, cylinder axis and close addition. Power cable attached to the back of the base.