The Kepler series refrigerated cameras newly produced by FLI use a variety of new chips including scientific grade CMOS chips, which have the characteristics of high sensitivity, high speed, good resolution, and low noise. The KL4040 camera can achieve a frame rate of 24fps at a resolution of 4096 * 4096.
Kepler Model |
KL400 FI, KL400 BI |
KL4040 |
KL2020E,KL2020BI |
chip type |
Front & Back illuminated |
Front illuminated |
Front & Back illuminated |
Resolution |
2048 x 2048 |
4096 x 4096 |
2048 x 2048 |
Pixel Size |
11 x 11 microns |
9 x 9 microns |
6.5 x 6.5 microns |
Imaging Area |
22.5 x 22.5 mm |
36.9 x 36.9 mm |
13.3 x 13.3 mm |
Sensor Diagonal |
31.9 mm |
52.1 mm |
18.8 mm |
Maximum Frame Rate |
48 fps (24 fps HDR) |
24 fps HDR |
47 fps (HDR) |
Read Noise (HDR) |
1.5 e- (FI) / 1.6 e- (BI) |
3.7 e- |
6.2 e- (HDR) |
Full Well Capacity (e-) |
120000 (FI) ; 90000 (BI) |
70000 e- |
45000 e- (HDR) |
Dynamic Range (HDR) |
96 dB (FI) / 93 dB (BI) |
86 dB |
87 dB (HDR) |
Shutter |
Rolling |
Rolling; Rolling with Global Reset |
Rolling; |
Peak QE |
58% (FI) / 95% (BI) |
74% (CMT) |
72% (FI); 93.7% (BI) |
Cooling |
45oC Below Ambient |
40oC Below Ambient |
45oC Below Ambient |
Dark Current @ -20C |
0.2 eps (FI); 0.6 eps (BI) |
0.15 eps |
0.2 eps |
Applications: space debris detection, solar panel detection, super-resolution microscopy, confocal microscopy, fluorescence microscopy imaging, judicial science, etc.