FLI新出品的Kepler系列制冷相机，使用包含科学级CMOS芯片在内的多种新型芯片，具有高感光、高速、分辨率好、低噪声等特点。KL4040相机在4096*4096分辨率时帧率可达24fps。
| Kepler Model | KL400 FI, KL400 BI | KL4040 | KL2020E，KL2020BI |
| 芯片类型 | 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 |
应用：太空碎片检测、太阳能电池板检测、超分辨率显微、共聚焦显微、荧光显微成像、司法科学等。
