Optical Comparator Reticles Scale for 10X Peak Loupe 1983 Peak optical comparator loupe magnifier measurement reticle scales fit for 10X magnifier Peak 1983 . For optical inspection and precision test and measurement of small scale products. Instrument scale lens to measure in inches or in millimeters. This Glass scale also fits Peak loupes 1983 , 2018 , and 2028 Reticle scale sizes available are: Standard in black metric millimeter scale on horizontal plane, zero at center cross hair, 0 to 15mm each way from center out to left and right, scale divisions 0.5mm increments 8 in black metric scale millimeters, zero at left, reading left to right, 0 to 20mm on horizontal plane, divisions in 0.1mm increments 13 in black inch scale on horizontal plane, zero at left, left to right reading, 0 to 0.8", divisions in 0.005" increments 14in blackwith inch and millimeter scales on horizontal plane, zero at center cross hair. inch: 0.4" in each direction out from center, divisions in .005" increments. metric: 0 to 10mm each way from center out to left and right, divisions in 0.1mmincrements For white glass scale reticles or sizes not shown please email customerservice@pcbsupplies.com