More about the series BX53M...
                        Optical system: UIS2 optical system (infinitely corrected)
Focus    travel: 25 mm
Fine adjustment: 100 µm per revolution
Smallest subdivision: 1 µm With upper stop and torque adjustment for coarse adjustment
Max. height of object:  Incident light: 65 mm (without spacer), 105 mm (with BX3M-ARMAD) Incident light/transmitted light: 35 mm (without spacer), 75 mm (with BX3M-ARMAD)
Eyepieces: 10x/22
Lighting: Reflected light: White light LED, HF/DF/DIC/POL/MIX Illuminated field diaphragm, aperture diaphragm (with centring mechanism), HF/DF lock
Transmitted lightCoded, white light LED, HF/DF/DIC/POL/MIX illuminated field diaphragm, aperture diaphragm (with centring mechanism), HF/DF lock
Objective turret for bright field: 5-fold
Objective turret for HF, DF, MIX: 6-fold
Condenser large working distance
Table (X x Y) 76 mm × 52 mm 
Objectives not included.
Specification
- Optical system: infinity corrected
 - Tripod: reflected light
 - Focus travel: 25 mm, 100 µm per revolution, smallest division: 1 µm, with upper stop and torque adjustment for coarse adjustment
 - Max. height of object: 65 mm (without spacer), 105 mm (with spacer BX3M-ARMAD)
 - Observation tube: Wide field of view (F.N,22), inverted: Binocular with camera tube
 - Lighting: White light LED,HF/DF/DIC/POL/MIX
 - Objective turret for bright field: 5-fold
 - Eyepieces: 10x/22 diopter adjustment on one side
 - Table (X x Y) 76 mm × 52 mm Coaxial table with left-hand drive with torque adjustment
 - Weight: approx. 15.8 kg (microscope stand 7.4 kg)
 
Modules
- Tripods &mounts BX53MTRF-S-1-3
 - Trinocular tube U-TR30-2-2
 - Eyepiece WHN10X-1-8
 - Eyepiece WHN10X-H-1-8
 - Reflected light condenser BX3M-RLA-S
 - Light source BX3M-LEDR
 - Slider U-MIXR DF, Fluo, POL
 - Cable U-MIXRCBL-1-2
 - Objective turret U-5RE-2
 - Cross table U-SVRM Right-hand drive
 - Table insert plate U-MSSP
 - Hand switch BX3M-HS
 - ControlunitBX3M-CB-1-3
 - CONNECTION CABLE 2x UYCP
 
The lenses can be ordered separately:
Select your preferred lenses from the accessories for this model: MPLFLN lenses