| | GX71 | GX51 |
| optics | | UIS optical system(infinity ~corrected) |
| Objective | UIS objectives |
| Eyepiece | UIS eyepiece (F.N. 26.5) | UIS eyepiece (F.N. 22) |
| Microscope body | Intermediate magnification | Zoom incorporated (1X~ 2X)Clicks inthetwointermediate positions (can be released) | - |
| Imprinting of scale | All portsReversed positions(up/down/left/right)fromobservationPositions seen through theeyepiece | All portsReversed positions(up/down)fromobservationPositions seen through the eyepiece |
| Power source | Power source forilluminator(12V100Whalogen) incorporated |
| Focusing | Manual, Coarse and Finecoaxialhandle.Focus stroke 9mm (2mm above and 7mm below the stagesurface) |
| Photo frame | Incorporated(IN/OUT) | - |
| Output port | Frontport---photomicrographicequipment(upright image), video and DPsystem (reversed image,special videoadapter for GX) |
| Side port---video, DP system (reversed image) | Side port (option)---video, DP system(uprightimage) |
| Observation tube | Super widefield
(F.N. 26.5) | U-SWBI30, U-SWTR-2 | - |
| Widefield(F.N. 22) | - | U-BI90, GX-BI90, U-TR30H |
| Illuminator | Observation method | Brightfield, darkfield, simple polarizedlight,DIC,fluorescence | brightfield, darkfield, simple polarized light, DIC |
| Illuminator diaphragm | FS/AS manually controlled,withcenteringadjustment |
| Light source | 100W halogen (standard),100Wmercury,75W xenon, 50W metal halide (optional) |
| Revolving nosepiece | Manula operation | Sextuple for BF/DIC, quintupleforBF/DF,quintuple for BF/DF/DIC, quadruple for BF with centering |
| Motorized operation | Sextuple for BF/DIC,quintupleforBF/DF/DIC |
| Stage | Standard type | Right handle stage for BS(X/Ystroke:50x50mm) |
| Option | Flexible right handle stage,leftshorthandle stage (each X/Y stroke: 50x50mm)Glidingstage,rotatablestage for BX (scheduled for introduction in 2003) |
| Stage insert plate | A set of teardrop and long hole types |
| Image recording | Photomicrographic | Specialphotomicrographiclens(attached)gives 10X magnification withlarge-format camera,3.3X with 35mmcameraphotomicrographicsystem-35mm/large-formatcamera(simultaneously mountable) ,1%spot/30% averagemeasuringarea(switchable), auto/manualexposure,exposure timeadjustment,automatic ISO setting, AE lock,multiple exposure, etc |
Digital camera,
video camera | OLYMPUS DP series etc,attachableusingappropriate adapters |
| Combined weight | Approx. 37kg(BF, DF and DICobservations,combinedwith GX-PHU) | approx. 28kg(BF, DF and DICobservations,combinedwith DP12) |
| Power consumption | 170VA, 140W(excludingphotomicrographicsystem) |