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Hamamatsu ORCA-Quest II qCMOS Camera C15550-22UP with Photon-Number Resolving Technology

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Type number
C15550-22UP
Imaging device
qCMOS image sensor
Effective no. of pixels
4096 (H) × 2304 (V)
Cell size
4.6 μm (H) × 4.6 μm (V)
Effective area
18.841 mm (H) × 10.598 mm (V)
All 31 specifications
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Specifications 31

Brands
Hamamatsu
New/Used
Used
Type number
C15550-22UP
Imaging device
qCMOS image sensor
Effective no. of pixels
4096 (H) × 2304 (V)
Cell size
4.6 μm (H) × 4.6 μm (V)
Effective area
18.841 mm (H) × 10.598 mm (V)
Quantum efficiency
85 % (peak QE) (typ.)
Full well capacity
7000 electrons (typ.)
Readout speed
Standard scan*1: 120 frames/s (At full resolution, CoaXPress), 17.6 frames/s (At full resolution, USB)Ultra quiet scan, PNR, Raw *2: 25.4 frames/s (At full resolution, CoaXPress), 17.6 frames/s (At full resolution, USB)
Readout noise
Standard scan: 0.43 electrons rms (typ.), 0.39 electrons median (typ.)Ultra quiet scan: 0.30 electrons rms (typ.), 0.25 electrons median (typ.)
Exposure time
Standard scan*1: 7.2 μs to 1800 sUltra quiet scan, PNR, Raw *2: 33.9 μs to 1800 s
Cooling temperature
Forced-air cooled (Ambient temperature: +25 °C) : -20 ℃Water cooled (Water temperature: +25 °C)*3 : -20 ℃Water cooled (Max cooling; The water temperature is +20 ℃ and the ambient temperature is +20 ℃) *3: -35 ℃ (typ.)
Dark current
Forced-air cooled (Ambient temperature: +25 °C) : 0.016 electrons/pixels/s (typ.)Water cooled (Water temperature: +25 °C) : 0.016 electrons/pixels/s (typ.)Water cooled (Max cooling; The water temperature is +20 ℃ and the ambient temperature is +20 ℃) : 0.006 electrons/pixels/s (typ.)
Dynamic range
23 000 : 1 (rms) (typ.), 28 000 : 1 (median) (typ.)*4
External trigger mode
Edge / Global reset edge / Level / Global reset level / Sync readout / Start
External trigger signal routing
SMA
Trigger delay function
0 s to 10 s in 1 μs steps
Trigger output
Global exposure timing output / Any-row exposure timing output / Trigger ready output / 3 programmable timing outputs / High output / Low output
External signal output routing
SMA
Image processing functions
Defect pixel correction (ON or OFF, hot pixel correction 3 steps)
Emulation mode
Available (ORCA-Quest, ORCA-Fusion)
Interface
USB 3.1 Gen 1, CoaXPress (Quad CXP-6)
A/D converter
16 bit, 12 bit, 8 bit
Lens mount
C-mount*5
Power supply
AC100 V to AC240 V, 50 Hz/60 Hz
Power consumption
Approx. 155 VA
Ambient operating temperature
0 °C to +40 °C
Ambient storage temperature
-10 °C to +50 °C
Ambient operating humidity
30 % to 80 % (With no condensation)
Ambient storage humidity
90 % Max. (With no condensation)

Product description

High-sensitivity qCMOS camera with ultra-low noise (0.30 e- rms), 4096×2304 pixels, 120 fps max, photon number resolving.

The Hamamatsu ORCA-Quest II (model C15550-22UP) is a cutting-edge scientific camera based on a proprietary quantitative CMOS (qCMOS) image sensor enabling photon number resolving (PNR) capability.

  • Sensor: Custom back-illuminated qCMOS sensor with 4096 (H) × 2304 (V) pixels
  • Pixel size: 4.6 μm × 4.6 μm
  • Effective sensor area: 18.841 mm × 10.598 mm
  • Quantum efficiency (QE): Typical peak of 85%, enhanced UV sensitivity (280–400 nm) via optimized anti-reflective coating
  • Full well capacity: Approximately 7,000 electrons
  • Readout noise:
  • Standard scan mode: 0.43 e- rms (typical)
  • Ultra quiet scan mode: 0.30 e- rms (typical), enabling photon number resolving
  • Frame rate:
  • Standard scan: Up to 120 frames/s at full resolution (CoaXPress), 17.6 fps (USB 3.1 Gen 1)
  • Ultra quiet scan (PNR mode): 25.4 fps (CoaXPress), 17.6 fps (USB)
  • Exposure time range:
  • Standard scan: 7.2 μs to 1800 s
  • Ultra quiet scan (PNR/Raw): 33.9 μs to 1800 s
  • Cooling options:
  • Forced-air cooling down to -20 °C (ambient 25 °C)
  • Water cooling, down to -20 °C typical, max -35 °C (water temp 20 °C, ambient 20 °C)
  • Dark current:
  • 0.016 electrons/pixel/s (typical) forced-air or water cooling
  • 0.006 electrons/pixel/s (typical) at max water cooling
  • Dynamic range: Approximately 23,000:1 (RMS typical), 28,000:1 (median typical)
  • Trigger and synchronization: Multiple external trigger modes (edge, global reset edge/level, sync readout, start), SMA connectors, programmable trigger outputs and delays (0 s to 10 s in 1 μs steps)
  • Data output: Raw data output for customized photon event analysis, faster edge trigger mode allows exposure start during rolling shutter readout
  • Interface: USB 3.1 Gen 1 and CoaXPress (Quad CXP-6)
  • Lens mount: Standard C-mount (option for F-mount available)
  • Power requirements: AC 100–240 V, 50/60 Hz, approx. 155 VA
  • Operating environment: 0 °C to +40 °C, 30–80% humidity (non-condensing)
  • Additional features:
  • Emulation modes for ORCA-Quest and ORCA-Fusion cameras
  • Defect pixel correction with hot pixel correction at three levels
  • Applications include: Neutral atom and trapped ion quantum computing, quantum optics, life sciences, astronomy, high-energy physics, Raman spectroscopy
  • Software: Bundled interface software supports exposure control, complex triggering, and multi-dimensional experimental orchestration
  • Notable improvements over predecessor: Five times faster ultra quiet scan mode frame rate, improved UV quantum efficiency, raw data output, and faster edge trigger mode
  • Related resources: White paper on qCMOS technology, webinar explaining sensor innovations, and comparative studies vs. EM-CCD cameras available

This camera is engineered for research requiring ultimate low-noise sensitivity and precise photon quantification at high spatiotemporal resolution.

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Last updated 23 October 2026