SBLV-U3
| Head | Compensation Free Binocular Head,inclined at 30°,Interpupillary Distance 55-75mm |
| Compensation Free Trinocular Head,Interpupillary Distance 55-75mm | |
| Eyepiece | Field wide F.N=18(Anti-mould) |
| Objective | Infinite Plan Achromatic 4X N.A. 0.1. W.D.18.5mm |
| Infinite Plan Achromatic 10X N.A. 0.25 W.D.10.5mm | |
| Infinite Plan Achromatic 40X(S) N.A.0.65. W.D.0.56mm | |
| Infinite Plan Achromatic 100X(S,Oil) N.A.1.25 W.D.0.13mm | |
| Nosepiece | Quadruple |
| Stage | Stage 140X140mm,Moving range 75X45mm |
| Focusing | Stage height adjustment mechanism Fine adjustment Scale:0.001mm per turn Coaxial Coarse range 14mm |
| Condenser | NA=1.25(when immersed in oil) |
| Light Source | Epi-kohler illumination 6V20W,Halogen lamp 100-240V 50/60Hz |
| Optical system | Infinite optical system |
| Optional parts | Reflecting-mirror,15X eyepiece, Quintuple nosepiece, objective 20X、60X |