Since 1986 Dorsey Metrology have been manufacturing high quality optical comparators.
You can contact us about optical comparators sales, service and general informaion by calling directly to +1-845-454-3111.
Tables below show available styles for grid charts for optical comparators made by Dorsey Metrology.
| Style | Magnification | Increments |
|---|---|---|
| Inches | ||
| Style 60 | 10X | .005 |
| Style 61 | 10X | .01 |
| Style 62 | 20X | .0025 |
| Style 63 | 20X | .005 |
| Style 64 | 31.25X | .001 |
| Style 65 | 31.25X | .002 |
| Style 66 | 31.25X | .005 |
| Style 67 | 62.50X | .001 |
| Style 68 | 50X | .001 |
| Style 69 | 50X | .002 |
| Style 70 | 100X | .0005 |
| Style 71 | 100X | .001 |
| Style | Magnification | Increments |
|---|---|---|
| Millimeters | ||
| Style M60 | 10X | .2 |
| Style M62 | 20X | .1 |
| Style M68 | 50X | .04 |
| Style M70 | 50X | .02 |
Dorsey Metrology offers many styles for its optical comparator charts. Tables below show available styles for grid and radius charts.
| Style | Magnification | Increments |
|---|---|---|
| Inches | ||
| Style 40 | 10X | .005 |
| Style 41 | 20X | .0025 |
| Style 42 | 31.25X | .002 |
| Style 43 | 50X | .001 |
| Style 44 | 62.50X | .001 |
| Style 45 | 100X | .0005 |
| Style 46 | 20X | .002 |
| Style 47 | 25X | .002 |
| Style | Magnification | Increments |
|---|---|---|
| Millimeters | ||
| Style M40 | 10X | .2 |
| Style M41 | 20X | .1 |
| Style M42 | 31.25X | .05 |
| Style M43 | 50X | .04 |
| Style M44 | 62.50X | .025 |
| Style M45 | 100X | .02 |
Illustration shows Dorsey’s grid and radius chart. Please contact our sales department at +1-845-454-3111 for ordering information.

When ordering optical comparator chart, please specify the following: