Sold in pairs. Flexible gauge is transparent with embossed mm scales on both sides for quick and accurate seg measurements. Gauge is 3-1/4″ long and measures up to 40 mm.
Handy bench top gauge for inspection of lens axis alignment, optical center positioning, PD accuracy and seg height accuracy. Made of transparent plastic with black lines.
Provides an easy and accurate measurement for all types and sizes of lenses. Lenses may be measured with or without a block attached. Tape is made of durable easy-to-use white plastic with 130-190 mm graduation.