Stereology
Mertz 36 point reticle : NGM1
Weibel type 1 reticle : NGW1
Weibel type 2 reticle : NGW2
Weibel type 3 reticle : GW3
News: Graticules Optics now offer 20.4mm (Olympus), 24.5mm (Leica) and 25mm (Nikon, Meiji) diameter reticles at standard prices – no need to pay a premium price for a special size

Key Features
Eyepiece reticle with Weibel 3 pattern for stereology
Pattern has a series of dots and horizontal dashes with alternate lines 'out of phase'.
Pattern |
Description |
Diameter |
Order code |
GW3 |
Weibel Type 3 for Stereology |
16mm |
01A16074 |
|
Specify diameter on all orders |
19mm |
01A19074 |
|
|
20.4mm |
01A20.4074 |
|
|
21mm |
01A21074 |
|
|
23mm |
01A23074 |
|
|
24mm |
01A24074 |
|
|
24.5mm |
01A24.5074 |
|
|
25mm |
01A25074 |
|
|
26mm |
01A26074 |
|
|
27mm |
01A27074 |
|
|
Others |
|

Key Features
Eyepiece reticle for stereology, Mertz pattern
Pattern |
Description |
Diameter |
Order code |
NGM1 |
Merz for Stereology |
16mm |
01B16258 |
|
Specify diameter on all orders |
19mm |
01B19258 |
|
|
20.4mm |
01B20.4258 |
|
|
21mm |
01B21258 |
|
|
23mm |
01B23258 |
|
|
24mm |
01B24258 |
|
|
24.5mm |
01B24.5258 |
|
|
25mm |
01B25258 |
|
|
26mm |
01B26258 |
|
|
27mm |
01B27258 |
|
|
Others |
|

Key Features
Eyepiece reticle with Weibel 1 pattern for stereology
15 lines of equal length connecting the verticals of a regular hexagon point network.
Pattern |
Description |
Diameter |
Order code |
NGW1 |
Weibel Type 1 for Stereology |
16mm |
01B16259 |
|
Specify diameter on all orders |
19mm |
01B19259 |
|
|
20.4mm |
01B20.4259 |
|
|
21mm |
01B21259 |
|
|
23mm |
01B23259 |
|
|
24mm |
01B24259 |
|
|
24.5mm |
01B24.5259 |
|
|
25mm |
01B25259 |
|
|
26mm |
01B26259 |
|
|
27mm |
01B27259 |
|
|
Others |
|

Key Features
Eyepiece reticle with Weibel 2 pattern for stereology
Square area containing horizontal lines with spaces between of equal length.
Pattern |
Description |
Diameter |
Order code |
NGW2 |
Weibel Type 2 for Stereology |
16mm |
01B16260 |
|
Specify diameter on all orders |
19mm |
01B19260 |
|
|
20.4mm |
01B20.4260 |
|
|
21mm |
01B21260 |
|
|
23mm |
01B23260 |
|
|
24mm |
01B24260 |
|
|
24.5mm |
01B24.5260 |
|
|
25mm |
01B25260 |
|
|
26mm |
01B26260 |
|
|
27mm |
01B27260 |
|
|
Others |
|