| TOT-2 Series technical Specification: |
| Zoom ratio 1∶7.6 |
| Magnification 6.6×～50× |
| Objective zoom range0.66×～5× |
| 10×Eyepiece 10×/Φ23mm high point, diopter adjustable |
| Standard working distance110mm |
| Interpupillary distance54mm～76mm |
| Observing tube Binocular/Trinocular/built-in digital camera 45°inclined, 360°rotatable. |
| Up illumination 3W LED （optional :12V/15W halogen） |
| Down illumination 3W LED （optional :12V/15W halogen） |
| Optional eyepiece 20×/Φ13mm（focus adjustable） |
| 25×/Φ11mm（focus adjustable）
Additional objective 0.5× W.D. 189mm, 0.75× W.D. 122mm, 2×W.D. 36mm |
| TOT-2 DM320/500 Digital Stereo Microscope Specifications |
| Dustproof, moisture-proof, against disassemble, built-in digital chip, integrated design. |
| Light distribution 20:80, eyepiece observation synchronized with the imaging from digital camera. |
| Built in 3MP/5MP digital camera, 1/2” CMOS colorful sequential scanning. |
| USB2.0 connection, without external power supply. |
| Available for WINDOWS 2000 /XP/ 7 /Vista system. |
TOT-2 Series Objective，Eyepiece Parameter List:
| Objectives | 0.5X | 0.75X | 1X(built-in) | 2X | |
| W.D | 189mm | 122mm | 110mm | 36mm | |
| 10XEyepiece
/φ23mm |
Magnification | 3.3-25 | 5.0-37.5 | 6.6-50 | 13.2-100 |
| Field dia.
(mm) |
62.86～9.57 | 41.90～6.38 | 31.43～4.78 | 15.71～2.39 | |
| 20XEyepiece
/φ13mm |
Magnification | 7～46 | 10.5～69 | 14～92 | 28～184 |
| Field dia.
(mm) |
37.14～5.65 | 24.76～3.77 | 18.57～2.83 | 9.29～1.41 | |
| 25XEyepiece
/φ11mm |
Magnification | 8.8～57.5 | 13.1～86.3 | 17.5～115 | 35～230 |
| Field dia.
(mm) |
31.43～4.78 | 20.95～3.19 | 15.71～2.39 | 7.86～1.20 | |
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