• Compact, lightweight, & easy to read display • Simultaneously measures monocular & binocular PD • Measures from near to infinity • Measures single eye 22.5mm-41mm • Measures dual eye PD from 45mm-82mm • Memory feature stores data until reset • Auto shut-off after 1 minute of inactivity • Uses 4 AA batteries not included
Designed for accurate measurements on plastic and glass lenses. Perfect plus or minus curve measurements in quarter diopters on either front or back of any lens in .25 diopter increments.Genuine clock movement with ball tips will not scratch lenses. Index 153
Aqusizer® Easily provides an 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 130-190mm graduation.
Precision ground,Triple 7X lens, Distortion free, Accurate to the edge of 1" fields, Scale measures instantly without adjustments, Leatherette case, Optical quality resin lens. measures up to 20mm in .1mm
Vigor Optical has added a useful diameter gauge to its line of handy tools. The pin wheel gauge features 10 spokes from 1.0mm to 2.2mm diameter. For quick, accurate measurement of drilled holes or nuts, consider the diameter gauge (35.175) from Vigor