ZEISS Cirrus 4000 HD-OCT Quad Core

Axial resolution: 5 μm (in tissue)
Transverse resolution: 15 μm (in tissue)
Scan speed: 27,000 A-scans per second
A-scan depth: 2.0 mm (in tissue), 1024 points
Optical source: superluminescent diode (SLD), 840 nm

Fundus Imaging
Line scanning ophthalmoscope (LSO)
Live during scanning
Transverse resolution: 25 μm (in tissue)
Optical source: superluminescent diode (SLD), 750 nm
Field of view: 36° x 30°

Scan Patterns
Macular Cube 200 x 200 Combo: 200 horizontal scan lines comprised of 200 A-scans
Macular Cube 512 x 128 Combo: 128 horizontal scan lines comprised of 512 A-scans
5 Line Raster: 4096 A-scans per B-Scan (adjustable length, spacing and orientation)

Focus Adjustment Range
–20D to +20D (diopters)
Fixation
Internal and external
High-performance multi-core processor
Internal storage: > 80,000 scans
CD-RW, DVD-ROM drive
Integrated 15” color flat panel display
Pupil Size Requirement
≤ 2.0 mm (≥ 3.0 mm optimal for LSO)
Computer System configuration & Software Version:

Cirrus HD-OCT 4000
Version software: 8.1.0.117
Operating system: Windows 7 Ultimate
System: Intel Core TM2 Quad CPU Q9400 @ 2.66GHz 2.67 GHz
Installed memory: 4.00GB
System Type: 64-bit Operating system
Electrical 100–120V~, 50/60Hz, 5A 220–240V~, 50/60Hz, 2.5A