Eyepiece Graticule
For measurement of large objects in conjunction with graduated mechanical stage, and for alignment. Image covers entire field of view
| Single Lines | Single line, nominal width 0.02mm. |  |
|---|---|---|
| Crosslines | Crosslines, nominal line width 0.02mm. | |
| Broken Crosslines | Broken crossline |  |
| Crossed Gauge Lines | Two vertical lines 0.1mm apart with horizontal line. |  |
| Crossed Gauge Lines | Two vertical lines 0.2mm apart. |  |
| Horizontal Scales | Horizontal micrometer 20mm long with 200 divisions of 0.1mm. |  |
| Crossed Scales | Crossed micrometer scales. Each 10mm long with 100 divisions of 0.1mm. |  |
| Scales with Crosslines | Horizontal micrometer scale 10mm long, with 100 divisions of 0.1mm and crosslines |  |
| Squared Grids | 10mm x 10mm grid of 0.1mm squares |  |
| Indexed Grids | Numbered grid 5mm x 5mm. 0.5mm pitch. Marked 1–10 and A-J. |  |
| Concentric Circles | Concentric circles 0.25mm – 2.5mm diameter. 10 circles. |  |
| Half Protractor | Half protractor scale 10mm diameter divided in degrees. |  |
| Patterson Globes and Circles | Patterson globes/circles |  |
| Porton | Original Porton globes/circle |  |
| Asbestos Fibre Analysis - Walton & Beckett Reticle | Walton & Beckett for asbestos. 3:1 ratio. |  |
| Asbestos Fibre Analysis - Walton & Beckett Reticle | Walton & Beckett for asbestos. 5:1 ratio. |  |
| Kotter | Kotter pattern. Note: This pattern requires a calibration factor. |
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| ASTM Austenite 1:1 Grain Sizing Disc | ASTM Grain sizing austenite. |  |
| ASTM E112 Plate 1 Grain Sizing Disc | Grain sizing E112. |  |
| ASTM Carbide grain sizing chart | ASTM Grain sizing carbide. |  |
| Circular grid ASTM 24 points | ASTM 24 point circular grid. |  |
| Square grid ASTM 25 points | ASTM 25 point Square grid. |  |