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M822 Ophthalmic surgical microscope for anterior and posterior segment surgery

See well. Perform well.

Electrical data: Power socket and consumption

M822 F20 floor stand 100–240 V (±10 %), 50/60 Hz, 400 VA
M822 F40 floor stand 100–240 V (±10 %), 50/60 Hz, 550 VA
M822 CT40 ceiling mount 100/120 V, 60 Hz,1500 VA and 220/240 V, 50 Hz, 1400 VA
Protection class Class 1

Microscope: Optics

Magnification changer APO-Zoom 6:1, motorized, with 2 separate beam paths
Magnification 3.5× – 21× (WD 175 mm, 10× eyepieces)
Optics OptiChrome optics, apochromatically corrected for high contrast, brilliant colors, crisp definition, and outstanding resolution
Field diameter 7 mm – 80 mm
Working distance 175 mm, 200 mm, and 225 mm
Focus range 54 mm, motorized, with automatic reset
Eyepieces Widefield eyepieces for eyeglass wearers (8.33×, 10×, 12.5×)
Dioptric setting ±5 with adjustable eye cup
Objective
(WD = working distance)
OptiChrome, WD 175 mm, APO
OptiChrome, WD 200 mm, APO
OptiChrome, WD 225 mm, APO 

Microscope: Illumination

Main light lntegrated LED illumination system for intensive, uniform illumination of the field of view.
Coaxial red reflex Illumination  The two precision-formed halogen bulbs 12 V / 50 W of the OttoFlex illumination generate a clear and stable red reflex, decreasing stray light through the sclera and increasing the image contrast. Lamps can be changed effortlessly and quickly.
Retina Protection Function Reduce the main light up to 10% and OttoFlex up to 20%. When the user deactivates the function, the light levels will go back to previous intensity.
Filter Built-in UV-protection, 400 nm

F20 floor stand

Coating Coated with antimicrobial paint
Type Floor stand with 3 friction brakes
Balancing Continuously adjustable gas spring
Load Max. 11.5 kg accessories attached to the microscope
Reach Max. 1480 mm
Vertical range 650 mm
Transport height Min. 1940 mm
Weight Approx. 330 kg as a fully configured system
XY-unit Focus operation motorized, 50 mm × 50 mm, with automatic reset
Tilt mechanism Motorized, +15° / –50°
Foot switch 14- or 12-function wireless footswitch with cross pedals
Control unit < User-friendly, individually programmable touch-screen (up to 30 surgeons) for control of motor functions and light intensity
< Menu selection based on unique software for user-specific configuration
< Built-in electronic auto-diagnosis and user support
< Software independent hard keys and indicator for illumination
Data shown by means of LCD 

F40 floor stand, CT40 telescope ceiling mount

Coating Coated with antimicrobial paint
Type Floor stand with 4 electromagnetic brakes
Balancing Continuously adjustable gas spring
Load Load Max. 12.2 kg accessories attached to the microscope
Reach Max. 1492 mm
Vertical range 846 mm
Transport height Min. 1949 mm
Weight Approx. 330 kg as a fully configured system
XY-unit Focus operation motorized, 50 mm × 50 mm, with automatic reset
Tilt mechanism Motorized, +15° / –50°
Foot switch 14- or 12-function wireless footswitch with cross pedals
Control unit Please see information provided in previous column under F20

Accessories

Assistant attachment Stereo assistant attachment
Beamsplitter  50% / 50%, 70% / 30%, Rotatable Beamsplitter
Video Camera Digital medical camera system: HD C100 for HD-quality imaging
Leica Manual Video Adapter (MVA): focal length f = 55 mm, 70 mm, 107 mm; c-mount port; manual fine focus
Leica Remote Video Adapter (RVA): focal length f = 55 mm, 70 mm, 107 mm; c-mount port; manual fine focus
Leica Zoom Video Adapter (ZVA): 3:1 zoom, focal length f = 35 mm - 100 mm; c-mount port; manual fine focus
Wide-angle observation system RUV800, BIOM*, EIBOS*
Inverters (interface)  SDI*
Interface for laser adapters Interface to fit various commercially available lasers, ask your Leica Representative for more information
Keratoscopy Keratoscope with 50 LEDs
IOL Placement Toric EyePiece
Binocular tubes Variable angle 0° – 180°
Variable angle 10° – 50° UltraLow III
Variable angle 10° – 50°
Variable angle 5° – 25°
Inclined angle 45°
Foot switch 14- or 12-function wireless footswitch with cross pedals
Asepsis Sterilizable protective glass for the objective, sterilizable components for all drive knobs, commercially available drapes
Documentation DICOM integration only via EVO 4K video recording and documentation system from Med X Change
Mechanical compatibility: Verion image guided system and NGENUITY 3D visualization system from Alcon, as well as laser protection filters from various suppliers*

* Accessories from third-party manufacturers

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