Specifications; Microscope; Illumination; Accessories - Leica M844 User Manual

Specifications

14 Specifications

14.1 Microscope

QuadZoom™ optical system with 4 beam paths:
100 % stereopsis for surgeon and
assistant
OptiChrome™ High-performance optics for high
contrast, brilliant colors, crisp image
definition, and outstanding resolution
Magnification changer 6:1 range, motorized
Field diameter 7 mm to 80 mm
Working distances WD 175 mm, 200 mm, 225 mm
Focusing Motorized, 54 mm, with automatic
reset
• Binocular tubes: 10° to 50°,
ErgonOptic™ System
• Low and Ultra Low™ III;
• variable 0-180°;
• variable 30-150°
Eyepieces Wide-field eyepieces for spectacle
wearers 8.33×, 10×, 12.5×
Objectives OptiChrome™
WD 175 mm/f = 200 mm
WD 200 mm/f = 225 mm
WD 225 mm/f = 250 mm
WD: Working distance
f: Focal length
XY-unit Motorized, 50 mm×50 mm, with
automatic reset
Tilt drive Motorized, +15°/–50°
• 12- and 14-function footswitch with
Remote control
Weight 28.3 kg (with accessories and XY-unit)

14.2 Illumination

Main light lntegrated illumination system for
intensive, uniform illumination of the
field of view
OttoFlex™ Illuminator module for increasing red
reflex, decreasing stray light through
the sclera, and increasing image
contrast.
Variable field diameter from 4 to 35 mm
at WD 200 mm
Precision-formed halogen bulb
12 V/50 W
70
long or cross pedals
M844 / Ref. 10 713 294 / Version 01
Quick-change lamp With two precision-formed
mount
(main light only) halogen bulbs 12 V/50 W
Filters IR protection filter and UV protection
filter (GG420), integrated accessorie

14.3 Accessories

0° stereo assistant's 100 % stereopsis at the same
magnification,
attachment integrated fine focus,
rotary ring for binocular tube (±15°),
Documentation port
Double wing for 3 simultaneous observers
Video/camera Leica HD C100 camera system
Leica Manual Video Adapter (MVA)
• Focal length f = 55 mm, 70 mm,
• with C-mount port
• Manual fine focus
Leica Remote Video Adapter (RVA)
• Focal length f = 55 mm, 70 mm,
• with C-mount port
• Motorized fine focus
Leica Zoom Video Adapter (ZVA)
• 3:1 zoom
• Focal length f = 35 mm to 100 mm
• with C-mount port
• Manual fine focus
Wide-angle observation Leica RUV800, BIOM*, EIBOS*
system
IOL orientation Leica ToricEyePiece
Inverter AVI*, SDI*
Data superimposition Leica DI C800
Lasers Adapters for installation are available
from laser manufacturer
Slit lamp Motorized, ±23°,
slit width 0.01–14 mm,
slit length 14 mm,
180° revolving,
quick-change lamp mount
Asepsis All controls can be sterilized, sterile
drapes are available
Leica Keratoscope
* Accessories from third-party manufacturers
and 107 mm
and 107 mm