FLI Kepler 400 Cooled sCMOS Cameras

FLI Kepler 400 Cooled sCMOS Cameras

FLI Kepler 4040 Cooled sCMOS Cameras

$16,995.00

The Kepler Series is a giant step forward in throughput, providing faster digitization, higher speed interfaces, and up to 35 channel readout.

Sensors currently supported include front and back illuminated sCMOS.

Future developments will include interline transfer CCDs and EMCCDs.

USB3.0 (3 Gbps) Optional QSFP (8 Gbps)

Broadband AR Coated Window - (Transmissivity Curves)

Air Cooling or Optional Liquid Cooling Deep Cooling (up to 45°C below ambient)

Optional Anti-Dew Technology (ADT)

LDR and HDR modes

Small Footprint (4 x 4 x 4.2 in.)

Reaches operating temperatures in 5 minutes!

Support for up to 35 channels Current lead time is 8 weeks

 

First light image 10/21/2018

 

SKU
KL4040-CMT-FSI-2

Price Range: $16,995 to $20,735

KL4040 Sensor Specs

Sensor: GPixel GSense4040

Pixels: 4096 x 4096

Pixel Size: 9 μm

Full Well Capacity: 70000 e-

Dynamic Range: 86 dB HDR

Sensor Diagonal: 52.1

Video Size (inch): 3.3

Color Options: Monochrome

Sensor Type: Front Illuminated

Shutter Type: Rolling

Sensor Grades: Grade 1 or 2

KL4040 PerformanceCamera Spec Sheet: PDF

Digitization Speed: 24 fps HDR

Typical System Noise: 3.7 e- HDR

Typical Maximum Cooling: 40ºC Below Ambient

Typical Dark Current: <0.15 e-/pixel/sec @ -20ºC

Typical Non linearity: <1%

Lens Mounts: Optional Nikon F-Mount or Canon EOS mount

Available Shutters: Optional 65 mm

All Kepler Cameras

Housing Dimensions: 4.0 x 4.0 x 4.17 (101.6 x 101.6 x 105.9)

Focal Plane to Faceplate: 15.53 mm (optical; no shutter; no cover slip)

Weight: 3.0 lbs.

Interface: USB 3.0

Temperature Stability: 0.1ºC

Remote Triggering: Standard

Shutter MTBF: 1,000,000

Power: 12V (100-240V AC to 12V DC power supply included). With TEC off: <1A. TEC at 100%: 4.4A. (Optional Electromechanical Shutter open: 4A pulse for 100msec. Shutter held open, add 0.22A.)

Environment: -30ºC - 45ºC | 10% - 90% Relative Humidity

 

Specifications: KL4040 vs. PL16803
 

KL4040

PL16803

Sensor Type

Front illuminated CMOS

Front illuminated CCD

Active Pixels

4096 x 4096

Pixel Size

9 x 9 microns

Effective Area

36.9 x 36.9 mm

Sensor Diagonal

52.1 mm

Full Well Capacity

70000 electrons

100000 electrons

Frame rate (rolling)

24 fps HDR

11 seconds/frame

Read Noise (rolling)

3.7 e- HDR (800 MHz)

10 e- (1 MHz)

Dynamic Range

86 dB HDR

80 dB (1 MHz)

Peak QE

74%

60%

Cooling

Air (Optional Liquid)

Dark Current

0.15 eps at -20C

0.005 eps at -33C

Interface

USB 3.0

USB 2.0

Interface (Optional)

QSFP1

NA

Data Bit Depth2

16 bit

Optional Mount

F-mount

Video size

3.3”

Subarray Readout

Yes

Electromechanical Shutter

Optional 65mm

Standard 65mm

Ex Trigger In

Yes

Ex Trigger Out

Yes

Software

FLI Pilot

FLIGrab

SDK

Open Source

List Price

$15,995

$10,995

The ProLine PL16803 has been the de facto standard for astrophotography since its release in 2006, and the Kepler KL4040 continues the tradition of excellence. Both cameras use a 4k x 4k sensor with 9 micron pixels. The difference is the ProLine uses a traditional CCD while the Kepler uses a Scientific CMOS sensor.

The table below is a comparison of the ProLine PL16803 and the Kepler KL4040 cameras, using a low flux value of 1 photon/pixel/second and dark current values given in the chart to the right.

 

Exposure (sec)

4040 SNR

16803 SNR

1 x 900

22.5

19.3

5 x 180

21.8

14.7

10 x 90

20.9

11.9

 

Summary: A Paradigm Shift

 

It is no surprise that the CCD’s best performance is with a single long exposure. What may be surprising is the Kepler KL4040 has a better signal-to-noise ratio than the PL16803 even with a single long exposure. The signal-to-noise ratio of the KL400 is better than the PL16803 even when using short exposures that are stacked!

 

The benefit of taking multiple short exposures is the option to discard a bad exposure ruined by satellite trails, tracking errors, or bad seeing (etc.). Incredible low-noise images are now possible with a single long exposure or many stacked short exposures. The KL4040’s superior performance allows it to be used for a wide range of applications and requirements.

 

Quantum Efficiency: KAF-16803 versus GSense4040 CMT

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