ORCA-Flash4.0 LT3 Digital CMOS camera
The ORCA-Flash4.0 LT3 is a new scientific CMOS camera for fluorescence imaging, which has been improved from the ORCA-Flash 4.0 released in 2011.
It is equipped with a high level of performance required for fluorescence imaging such as life science applications, and can be used not only for basic research applications but also for integration into various types of equipment.
This site provides information on scientific cameras.
Since there is a wide range of camera types and performance, it is important to select the best camera for each application.
It introduces technical information, simulation tools, and examples of actual applications to help you fully understand the performance of the camera and select the best one for your application.
The graph below compares the readout noise distribution with the Gen II BSI camera* and shows that the ORCA-Flash4.0 LT3 has more pixels with smaller readout noise.
With a low readout noise of 1.5 electrons rms, the ORCA-Flash4.0 LT3 delivers high S/N comparable to or better than a BSI camera, especially in the low light range.
This performance can be demonstrated in high quality multidimensional imaging, as typified by long time-lapse imaging with low excitation light with low phototoxicity and photobleaching.
* BSI camera: Back-side illuminated camera
The ORCA-Flash4.0 LT3 is capable of 40 frames/second readout, which is even faster than the conventional ORCA-Flash4.0 LT+ (30 frames/second). This is useful for applications which requires real time measurement with high temporal resolution.
The wide field of view of 13.312 mm (H) × 13.312 mm (V) allows more information to be obtained in a single shot.
This contributes to higher throughput in experiments such as DNA chip reading.
|Imaging device||Scientific CMOS image sensor|
|Effective number of pixels||2048 (H) × 2048 (V)|
|Pixel size||6.5 μm (H) × 6.5 μm (V)|
|Effective area||13.312 mm (H) × 13.312 mm (V)|
|Full well capacity (typ.)||30 000 electrons|
|Dynamic range (typ.)||33 000: 1 *1 20 000: 1 *2|
|Cooling method||Forced-air cooled, peltier cooling|
|Cooling temperature||+10 ℃ (Forced-air cooled, FAN speed: Fast ambient temperature: +10 °C to +30 °C)|
|Frame rate at full resolution||Rapid rolling : 40 frames/s
Standard scan : 30 frames/s
|Readout noise (typ.)||Rapid rolling : 1.9 electrons (rms) , 1.3 electrons (median)
Standard scan : 1.5 electrons rms / 0.9 electrons median
|Dark current (typ.)||0.6 electrons/pixel/s (typ.) (Cooling temperature: +10 °C)|
|Digital output||16 bit|
|Exposure time||Internal trigger mode *3 (Rapid rolling) : 1 ms to 10 s
Internal trigger mode *3 (Standard scan) : 3 ms to 10 s
Internal trigger mode with sub-array readout (Rapid rolling) : 40 μs to 10 s
Internal trigger mode with sub-array readout (Standard scan) : 129.99 μs to 10 s
|External trigger input mode||Edge trigger, Global reset edge trigger, Level trigger, Global reset level trigger, Synchronous readout trigger, Start trigger|
|Trigger delay function||0 s to 10 s in 1 μs steps|
|Trigger input connector||SMA|
|Trigger output||3 programmable timing outputs, Trigger ready output, Global exposure timing output, Low output, High output|
|Trigger output connector||SMA|
|Interface||USB 3.1 Gen 1|
|Power supply||AC 100 V to AC 240 V, 50 Hz / 60 Hz|
|Power consumption||Approx. 75 VA|
|Ambient operating temperature||0 °C to +40 °C (FAN speed: Fast)|
|Ambient operating humidity||30 % to 80 % (With no condensation)|
|Ambient storage temperature||−10 °C to +50 °C|
|Ambient storage humidity||90 % Max. (With no condensation)|
*1 Calculated from the ratio of the full well capacity and the readout noise (median) in standard scan
*2 Calculated from the ratio of the full well capacity and the readout noise (rms) in standard scan
*3 Minimum exposure time in internal trigger mode varies depending on sub-array size and position.
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