LightLas 532 – Operator's Manual Rev. No 01 Page 24 of 115
3.2 CSO SL980 and SL990 Slitlamp Specifications
The following are the Slitlamp Specifications for the CSO SL980 and SL990 Slitlamps
that are used in the LightLas 532 Photocoagulator Laser System. The SL980 is a Zeiss
clone and the SL990 is a Haag Streit clone. Both Slitlamps have very similar
specifications however the SL980 uses an illumination source below the viewing path
and the SL990 uses illumination from above the viewing path.
Microscope : Galilean
Magnification Set : 5 Step Drum Rotation
Eyepiece : 12.5X
Magnification Ratio : 6X, 10X, 16X, 25X, 40X
PD Range : 48.5-80mm
Diopter Adjustment : +/-8
Slit Illumination : 6V 20W Halogen Lamp
Slit Width : 0-14mm (SL980) and 0-12mm (SL990)
Slit Length : 1.8 – 12mm
Slit Apertures : 0.3, 5.5, 9, 14mm(SL980) and 0.2, 1, 3, 5, 9, 12mm(SL990)
Slit Angles : 0°- 180°
Filters : Red Free, Heat Absorbing, Cobalt Blue
Movement Ranges
Longitudinal (In/Out) : 113mm
Lateral (Left/Right) : 108mm
Vertical (Up/Down) : 35mm
Fine movement range : 10mm
Chin Rest Range : 70mm
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