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APM Professional Telescopes

1m F/8 Ritchey Chrétien with dual Nasmyth Foci, Cape Town (South Africa)

Another large telescope for the South African Astronomical Observatory (SAAO). An 1m F/8 Alt-Az mounted Ritchey Chrétien for robotic use. It has dual Nasmyth Foci. The main telescopes used for research are located at the SAAO observing station (32°22.795’S 20°48,657’E) near Sutherland in the Northern Cape, a 4-hour drive from Cape Town.

References

Kepler KL400 BI CMOS Camera: 95% Peak QE, 1.6 e- Noise

Absolute Quantum Efficiency

With TVISB Coating

Transmissivity Curves

Variants

	KL400 TVISB G1 (BI)	Gsense400 back illuminated TVISB grade 1
	KL400 TVISB G1 45mm (BI)	Gsense400 back illuminated TVISB grade 1 45mm shutter
	KL400 TVISB G2 (BI)	Gsense400 back illuminated TVISB grade 2
	KL400 TVISB G2 (BI) 45mm	Gsense400 back illuminated TVISB grade 2

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 high speed fiber interface
Optional Electromechanical Shutter for Remote Acquisition of Calibration Frames
Choice of Windows - View Transmissivity Curves (left)
Air Cooling or Liquid Cooling (LC connectors sold separately)
Deep Cooling (up to 45C below ambient)
Optional Anti-Dew Technology (ADT)
Kepler KL400 Operational Modes
Small Footprint (as small as 10.2 x 10.2 x 10.7 cm)
Reaches operating temperatures in 10 minutes
Overview KL camera series

The Kepler KL400 provides ultra-high sensitivity, ultra-low noise with high frame rates, all at a game-changing price to performance ratio.

Download Product Data Sheet

Sensor Type	Back Illuminated CMOS
Sensor	GPixel GSense400BSI
Shutter Type	Rolling
Active Pixels	2048 x 2048
Pixel Size (microns)	11 x 11 µm
Imaging Area (Diagonal)	22.5 X 22.5 mm (31.8 mm)
Full Well Capacity	90000 electrons
Typical Readout Noise	1.6 e-
Dynamic Range	94.6 dB
Frame Rate	24 fps (Rolling HDR)
Cooling Method	Air and Liquid (see Note 1)
Max. Cooling (Air)	45°C below ambient
Temperature Stability	0.1°C
Dark Current (typical)	0.015 eps at -20C
Interface	USB 3.0 (Optional QSFP; see Note 2)
Data Bit Depth	16 bit (see Note 3)
Optional shutter	45mm
Optional Mounts	Nikon or Canon
Subarray Readout	Standard
External Trigger In/Out	Standard
SDK / Software	Kepler SDK / FLI Pilot
Weight	3 lbs (1.3 kg)
Note 1: Liquid circulation connectors sold separately. Note 2: QSFP = Quad Small Form factor Pluggable: high speed fiber optic interface Note 3: 16 bit data merged from two 12 bit conversions

Recommended accessories

A versatile combination KL400 with filter wheel and Hubble Filterset

Associated Links

More Products

Front Illuminated Cameras

KL400 FI 2K x 2K, 11µ

KL4040FI 4K x 4K, 9µ

KL6060 FI 6K x 6K, 10µ

Back Illuminated Cameras

kl400 KL4040 250 with shatter KL6060 250

KL4040 BI 4K x 4K 9µ

KL6060 BI 6K x 6K 10µ

DC23084 4K x 4K 15µ

APM Professional Telescopes

1m F/8 Ritchey Chrétien with dual Nasmyth Foci, Cape Town (South Africa)

Another large telescope for the South African Astronomical Observatory (SAAO). An 1m F/8 Alt-Az mounted Ritchey Chrétien for robotic use. It has dual Nasmyth Foci. The main telescopes used for research are located at the SAAO observing station (32°22.795’S 20°48,657’E) near Sutherland in the Northern Cape, a 4-hour drive from Cape Town.

Our Team

Markus Ludes CEO
Markus Ludes CEO has been managing APM Telescopes for more than 30 years.
Dr. (Ing.) Diethard Jakobs, Manager and Controller
Dr. (Ing.) Diethard Jakobs Managing Director and Controller at APM Telescopes. He is responsible for planning and execution of major projects.
Angelika Jakobs
Angelika Katharina Jakobs International Relations
Daniela Lambert
Daniela Lambert Assistant to the management
Michael Conrad
Michael Conrad Distribution
Andreas Pietsch
Product Manager Andreas Pietsch great passion is astronomy. At APM Telescopes, he mainly takes care of astrophotography. He has a lot of experience in this field. He also knows a lot about building and operating large telescopes.