Leica OH4, Service Manual, Page: 218 / 264

Technical data
76 Leica M525 OH4 / Ref. 10 714 367 / Version -
Electrical data
Power connection for 1600 VA 50/60 Hz
Leica M525 OH4 100 V (+10%/–15%)
120 V (+10%/–15%)
220 V (+10%/–15%)
240 V (+10%/–15%)
Protection class Class 1
Leica M525
Microscope
Magnification 6:1 zoom, motorized
Working distance 207mm – 470mm, variable through
motorized multifocal lens, continu-
ously adjustable;
manually adjustable override
Focusing Motorized via multifocal lens;
manually adjustable
Eyepiece Wide-field eyepieces for spectacle
wearers 10x and 12.5x
dioptric settings ±5 with adjustable
eye cup
Objective Multifocal lens; 207–470mm
variable working distance, with
optional WD extender lens
Illumination Illumination system specially
developed for microsurgical appli-
cations;
continuously adjustable
illumination field diameter with
Gauss-shaped light distribution.
Continuously adjustable brightness
at constant color temperature
AutoIris™ Built–in automatic zoom-
synchronized illumination field
diameter, with manual override and
reset feature
Main light source High performance 300 Watt xenon
arc-lamp through fiber optic
Emergency lamp 300 Watt xenon arc-lamp on
separate electrical system
BrightCare™ Safety technology for the working
distance synchronized to light
control
Optical data
Magnification range 1.2x – 12.8x with 10x eyepiece
Field of view (dia. in mm) 16.5mm – 180mm with 10x eyepiece
Microscope carrier
Rotation of optics 540°
Lateral tilt 50° to left / 50° to right
Inclination tilt –30° / +120°
XY speed Zoom linked XY speed
Balancing A,B,C and D axes fully automatic,
each can be corrected manually
Intraoperative AC/BC button for automatic
balancing intraoperative balancing of A&C
axes and for B&C axes
Brakes 1 brake for A/B axis
1 brake for C axis
Indicator LED for Fluorescence mode status,
LED for Video record status
Accessories
Leica ULT500 180° stereo observer,
Main/Assistant surgeon 40% each
beam path
Assistant /Video on selectable side
20% each beam path
Dual stereo attachment Main surgeon 70% / Assistant 30%
Second observer Stereo attachment for second
observer to beam splitter
Beam splitter 50% / 50%, 70% / 30%
Binocular tube Variable angle 30° – 150°,
variable angle 0° – 180°
Video Adapter 3:1 zoom,
35mm – 100mm focal length,
c-mount,
with fine focus
Imaging Leica DI C500 high resolution true
color dual imaging module for cor-
related and non correlated data
display
Asepsis Sterilizable protective glass cover
for the objective, sterilizable
components for various controls,
commercially available drapes
Laser Various commercially available
lasers and laser shutters can be
attached