Nikon DS-Qi2 Digital Microscopy Camera
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DS-Qi2 microscopy digital camera equipped with a Nikon digital SLR camera FX-format CMOS sensor optimized for microscopy.
High Sensitivity and Low Noise
The newly developed 16.25-megapixel monochrome CMOS sensor for the monochrome digital camera for microscopes offers 36.0 x 23.9 mm image size. The S/N ratio is five times better than that of conventional models, with quantum efficiency* up to 77% and 2.2-electron readout noise. In addition, Peltier cooling (electronic cooling) reduces dark-current noise** and produces clear images with reduced noise even with dark fluorescent specimens.
*Conversion efficiency from light to electrical signals.
**Noise caused by heat from the sensor during lengthy exposures.
Superior Quantitative Performance
Low ± 1% linearity error of output power to input light intensity enables correct measurement of changes in brightness of specimens.
High-speed Llive-image Display
Thanks to the USB3.0 computer connection and CMOS sensor, which provides high-speed data readout, the frame rate has been significantly improved to 45 fps (1636 x 1088 pixels), from 19 fps (1280 x 1024 pixels) with conventional models. This enables fast live-image display and easy observation point selection and focusing.
| Image Sensor | Nikon FX-format, Monochrome CMOS senser / Size: 36.0×23.9mm
Effective 16.25 megapixels |
| Recordable Pixels | 4908×3264 pixel (full-pixel), 1636×1088 pixel (3×3 pixel averaging) |
| Cooling Method | Electronic cooling |
| ISO Sensitivity | (recommended exposure index)
Standard: equivalent to ISO 800 (Selectable from ISO800 to 51200 equivalent |
| Live Display Mode | Full-pixel 4908×3264 pixel (max 6fps) / 3×3 pixel averaging 1636×1088 (max 45fps) |
| Lens Mount | F mount |
| Exposure Time | 100 μsec to 60 sec |
| Image Format | BMP, TIFF, JPEG, etc., selectable in NIS-Elements |
| Interface | USB3.0 (computer control connection) ×1, External sync input/output ×1 |
| Power Supply | AC100-240V 50/60Hz |
| Power Consumption | 24W |
| Dimensions | 105 (W) × 134 (D) × 153 (H) mm |
| Weight | 1200g (2.6lb) |
| Operating Environment | 0-30°C, 80% RH max, 30-40°C, 60% RH max. (without condensation) |