| BX51M | BX51 | BX61 |
Optical system | ? | UIS optical system (infinity-corrected) |
Objectives | UIS objectives |
Eyepieces | UIS eyepieces |
Microscope frame | Illumination | Reflected | Reflected/transmitted |
Built-in 12V100W light source
Light preset switch
LED voltage indicator | Built-in 12V100W light sourceLight preset switchLED voltage indicatorReflected/transmitted changeover switch | External 12V100W light sourceLight preset switchLED voltage indicatorReflected/transmitted changeover switch |
Focus | Stroke 25mmFine stroke per rotation 100µmMinimum graduation 1µmWith upper limit stopper, torque adjustment for coarse handle | Motorized focusing
Stroke 25mm
Minimum graduation 0.01µm |
Maximum sample height | 65mm (w/o sPACer) | 25mm (w/o spacer) |
Observation tubes | Widefield
(F.N. 22) | Inverted: binocular, trinocular, tilting binocular
Erect: trinocular, tilting binocular |
Super widefield(F.N. 26.5) | Inverted: trinocular
Erect: trinocular, tilting binocular |
Reflected light illumination | BF etc. | BX-RLA2100W halogen (high intensity burner, fiber illuminator mountable)BF/DF/DIC/KPOFS, AS (with centering mechanism),BF/DF interlocking ND filter | BX-RLAAMotorized BF/DF changeoverMotorized AS |
Reflected fluorescence | BX-URA2100W mercury lamp, 75W xenon lamp50W metal halide lamp6position mirror unit turret (standard: WB, WG, WU+BF etc)with FS, AS, (with centering mechanism), with shutter mechanism | BX-RFAAMotorized 6 position turretBuilt-in motorized shutterWith FS, AS |
Transmitted light | - | 100W halogen
Abbe/long working distance condensers
Built-in transmitted light filters (LBD, ND25, ND6) |
Revolving nosepieces | For BF | Sextuple, centering sextuple, sextuple (motorized sextuple: optional) | Motorized sextuple, centering quintuple |
For BF/DF | Quintuple, centering quintuple, sextuple (motorized sextuple: optional) | Motorized quintuple |
Stages | Coaxial left (right) handle stage:76(X)⊙52(Y)mm, with torque adjustment
Large-size coaxial left (right) handle stage: 110(X)⊙105(Y)mm, with lock mechanism in Y axis |