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The
ORCAII-ER camera features the unique ER-150 CCD chip packaged in a proprietary
permanently sealed vacuum chamber evacuated to 10 - 7 Torr. This CCD offers
very high quantum efficiency over the spectrum from 350 nm to 850 nm and
very low noise. With selectable full well capacity, low read noise, cooling
to – 60°C to virtually eliminate dark current, this camera will
produce rapid exposures and high dynamic range images. Dual mode digitization
offers a software selectable choice of speed or very low noise readout
methods with 12 and 14 bit precision. Special analog contrast enhancement
circuits increase versatility for even the most difficult imaging conditions.
| Applications
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| ORCAII-ER Quantum Efficiency Curve |
ORCAII-ER Camera Specification |
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Type number |
C4742-98-24ERG |
C4742-98-24ER |
|
| Camera head type | Hermetic vacuum sealed air-cooled head | ||
| Circulating water cooler | - | ||
| Mechanical shutter | - | ||
| Imaging device | ER-150 interline CCD chip with micro-lens | ||
| Effective no. of pixels | 1344 (H) x 1024 (V) | ||
| Cell size | 6.45 (H) mm x 6.45 (V) mm | ||
| Effective area | 8.67 (H) mm x 6.60(V) mm / 2/3 inch format | ||
| Pixel clock rate | High speed readout | 10 MHz/pixel | |
| High-precision readout | 1.25 MHz/pixel | ||
| Frame Rate | High speed readout | 1 x 1 - 5.6 Hz | 1 x 1 - 6.0 Hz |
| 2 x 2 - 9.8 Hz | 2 x 2 - 10.7 Hz | ||
| 4 x 4 - 15.6 Hz | 4 x 4 - 18.0 Hz | ||
| 8 x 8 - 22.2 Hz | 8 x 8 - 27.3 Hz | ||
| High precision readout | 1 x 1 - 0.85 Hz | 1 x 1 - 0.86 Hz | |
| 2 x 2 - 1.67 Hz | 2 x 2 - 1.69 Hz | ||
| 4 x 4 - 3.19 Hz | 4 x 4 - 3.28 Hz | ||
| 8 x 8 - 5.89 Hz | 8 x 8 - 6.19 Hz | ||
| Readout noise (r.m.s.) | High speed readout | 7 to 8 electrons | |
| High-precision readout | 3 to 5 electrons | ||
| Full well capacity | 1 x 1 | 18,500 electrons | |
| binning | 40,500 electrons (High-precision readout only) | ||
| Dynamic range | High speed readout | 2,466 : 1 | |
| High precision readout | 1 x 1 - 4,625 : 1 | ||
| binning - 10,125 : 1 | |||
| Dark current | High light mode | 0.0025 electrons/pixel/sec | |
| Low light mode | 0.0065 electrons/pixel/sec | ||
| A/D converter | High speed readout | 12 bit | |
| High precision readout | 14 bit | ||
| Output signal (digital output) | High speed readout | Non-compressed data (Mono 16) | RS-422A 12 bit parallel output |
| High precision readout | RS-422A 14 bit parallel output | ||
| Exposure time | 30 ms to 2 hours | ||
| External control | 1394-Based Digital Camera Specification V1.30 | RS-232C | |
| Sub-array** | yes | ||
| External trigger | yes | ||
| Contrast enhancement | High speed readout | 1, 2, 10 times | |
| High precision readout | 1 to 6 times | ||
| Lens mount | C-mount | ||
| Line voltage | 100 / 117 / 220 / 240 VAC, 50/60 Hz | ||
| Power consumption Approx. | 220 VA | ||
| Ambient storage temperature | -10°C to +50°C | ||
| Ambient operating temperature | 0°C to +40°C | ||
| Ambient operating/storage humidity | 70% max. (with no condensation) | ||
* Calculated from the ratio of the full well capacity and average readout
noise.
** Note: Includes 1280 *1024 image size software compatibility with ORCA
and ORCA II series.