Specifications
| Optical System | Infinity Color Corrected Achromatic Optical System |
| Eyepieces | 30° Inclined gemel binocular viewing head, interpupillary distance adjustable from 54mm – 75mm, left diopter adjustable /-5. |
| 30° Inclined gemel trinocular viewing head, interpupillary distance adjustable from 54mm – 75mm, left diopter adjustable /-5, beam splitter ratio = 100:0, 50:50. | |
| Eyepieces | High eyepoint WF PL10x / 22mm, with reticle retaining ring for 26mm diameter reticle. |
| High eyepoint WF PL15x / 16mm, with reticle retaining ring for 24mm diameter reticle. | |
| Objective Lenses | LWD Plan Achromat Metallurgical Infinity Corrected 5x, 10x, 20x, 50x. |
| Semi APO Brightfield Metallurgical Infinity Corrected 5x, 10x, 20x, 50x, 100x. | |
| Nosepiece | Reversed Quintuple Nosepiece. |
| Focus Adjustment | M40-RT (reflected & transmitted frame): coaxial focus system with tension adjustment and upper-limit device, coarse range of 28mm, fine precision of 0.002mm. Stage can be adjusted up and down. Maximum sample height = 28mm. |
| M40 (reflected frame): coaxial focus system with tension adjustment and upper-limit device, coarse range of 28mm, fine precision of 0.002mm. Stage can be adjusted up and down. Maximum sample height = 78mm. | |
| Stage | M40-RT (reflected and transmitted frame): double layer mechanical stage with X-Y coaxial adjustment. Stage size = 175mm x 145mm. Moving range = 76mm x 42mm. Includes glass plate for transmitted light. |
| M40 (reflected frame): double layer mechanical stage with X-Y coaxial adjustment. Stage size = 175mm x 145mm. Moving range = 76mm x 42mm. Includes metal plate. | |
| Reflected Illumination | Wide range voltage 100~240V. AC50/60Hz, reflected lamp house with single 5W LED, warm color. Koehler illuminator with oblique light device, center adjustable field and aperture diaphragm. |
| Transmitted Illumination | (M40-RT Only.) Wide voltage 100~240V. AC50/60Hz, transmitted lamp house with single 5W LED warm color. |
| Polarization | Rotatable 360° analyzer and polarizer sliders fit in slots on reflected illumination arm. |
| Condenser | M40-RT (reflected & transmitted frame): NA 0.90 swing-out achromatic condenser with center adjustable aperture iris diaphragm. |
| C-Mount Adapters | Focusing 0.35x, focusing 0.5x, focusing 0.65x, 1x. |
| Filters | Reflected light empty filter sliders available. |
| Transmitted light 44mm filters available: yellow, green, blue, green interference, neutral density ND2, didymium. | |
| Reticles | Variety of 26mm and 24mm diameter reticles available including grid, ruler, cross-line, etc. Metric or inches. |
