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Technical Specifications

Heidelberg OPERA

Display Options for Surgeons
  • Digital binoculars
  • 55” 3D 4K-UHD monitor
  • 32” 3D 4K-UHD monitor (mounted to the microscope stand)
Display Options for Observers
  • Up to 4 via wireless transmitter (2D/3D, up to 4K-UHD resolution)
  • 1x 3D via HD-SDI
  • 2x 2D via HD-SDI
Camera Sensor Resolution2x 4K-UHD cameras (3840 x 2160 pixels)
MagnificationMotorized optical 6x zoom
50% digital zoom
Focus Range90 mm (in 0° position)
Working Distance200 mm
ApertureMotorized, 9 positions
Red Reflex IlluminationLED
Surrounding Field IlluminationLED
Built-in KeratoscopeLEDs
Surgical AnnotationsYes
Recording
  • 4K-UHD (3840x2160), 60fps
  • Full-HD (1920x1080), 60 fps
  • Full-HD (1920x1080), 30fps
  • 2D and 3D
Digital Filters
  • Color filters
  • Contrast enhancement
  • Sharpness
  • Digital brightness
Physical Filters
  • Retina protection filter (built-in)
  • Retina protection plate (built-in)
  • 532 nm laser filter (built-in)
Compatible Fundus Viewing Systems
  • Oculus BIOM® 6
  • Oculus BIOM® 5mI/cI
  • Oculus BIOM® ready/ready+
Interfaces
  • 1x HDMI optical output
  • 2x HD-SDI in
  • 2x HD-SDI out
  • Wireless video transmitter
  • USB 3.2 gen 2

Intraoperative OCT

Imaging method

Swept-source optical coherence tomography (SS-OCT) 

Center wavelength

1,060 ± 10 nm 

Scan frequency70 kHz
B-scan and cross scanB-scan and cross scan
Optical power at the cornea< 8.6 mW
A-scan imaging depth in air≥ 20 mm
Axial resolution in tissue≤ 7.5 µm*
Transverse resolution for anterior segment imaging≤ 30 µm
Anterior segment scan length≤ 20 mm
Number of A-scans per B-scan≤ 1,024
Scan rotation360°, adjustable in 0.1° increments
Conformity

ISO 16971-1:2024

Laser classification

Class 1 in accordance with IEC 60825-1:2014 

* Calculated using a tissue refractive index of 1.33