| | BX61 | BX51 | BX51M | BX41M | BX41M-ESD |
| Optical system | UIS optical system (infinity-corrected) |
| Objectives | UIS eyepieces |
| Eyepieces |
| Microscope
frame | Illumination | Reflected / transmitted | Reflected | Reflected (ESD treatment) |
| External 12V100W light source | Built-in 12V100W
light source | Built-in 12V100W light source | Built-in 6V30W light source |
| Light preset switch |
| LED voltage indicator | - |
| Reflected / transmitted changeover switch | - |
| Focus | Motorized focusing | Stroke 25mm |
| Stroke 25mm | Fine stroke per rotation 100µm |
| Minimum graduation 0.01µm | Minimum graduation 1µm |
| - | With upper limit stopper, torque adjustment for
coarse handle |
| Maximum sample
height | 25mm (w / o spacer) | 65mm (w / o spacer) |
| Observation
tubes | Widefield
(F.N. 22) | Inverted image: binocular, trinocular, tilting binocular
Erect image: trinocular, tilting binocular |
| Super widefield
(F.N. 26.5) | Inverted image: trinocular
Erect image: trinocular, tilting trinocular |
| Reflected light illumination | Reflected BF/DIC/KPO
or
BF / DF /
DIC / KPO | BX-RLAA | BX-RLA2 | BX-KMA | BX-KMA-ESD |
| Motorized BF / DF changeover
Motorized AS | 100W halogen
(high intensity burner, fiber illuminator mountable)
BF / DF / DIC / KPO
FS, AS (with centering mechanism), BF/DF interlocking ND filter | 30W
halogen
BF / DIC /
KPO | 30W
halogen
BF / DIC /
KPO
ESD treatment applied |
| Reflected fluorescence | BX-RFAA | BX-URA2 | - |
| Motorized 6 position turret
Built-in motorized shutter
With FS, AS | 100W mercury lamp, 75W xenon lamp
50W metal halide lamp
6 position mirror unit turret (standard: WB, WG, WU+BF etc)
with FS, AS (with centering mechanism), with shutter mechanism |
| Transmitted light | 100W halogen | - |
| Abbe / long working distance condensers |
| Built-in transmitted light filters (LBD, ND25, ND6) |
| Revolving nosepieces | For BF | Motorized sextuple, centering quintuple | Sextuple, centering sextuple, septuple (motorized sextuple: optional) | Sextuple BF / BF with for a hole for DIC slider | Sextuple with ESD treatment |
| For BF / DF | Motorized quintuple | Quintuple,centering quintuple, sextuple (motorized quintuple optional) | - |
| Stages | Coaxial left(right) handle stage: 76(X)x52(Y)mm, with torque adjustment |
| Large-size coaxial left (right) handle stage: 110(X)x105(Y)mm, with lock mechanism in Y axis |
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