All plastic frame.
In Stock
Cylindrical lenses made of highly polished glass, magnifies in only one dimension. These lenses are used in transforming a point image to a line or changing the height of an image without changing its width.
Free from air bubbles, all sides polished.
Clear glass, ground edges.
90 mm diameter, 16 mm thickness.
Brass dial head 40 mm diameter divided and marked in 100 divisions, vertical scale 10-0-10 mm, fitted on heavy brass disc, with 3 pointed legs, distance between legs 40 mm.