ATR533C

ATR533C Deep Sky Cooled Color Camera

ATR533C leverages Sony advanced optical technology with 9 megapixels and high quantum efficiency, allowing users to easily capture clearer deep-sky images. With zero amp-glow, an ultra-low readout noise as low as 1.1e, and 3.76μm square pixels, it ensures exceptional image quality. The camera features a two-stage TEC cooling system that maintains precise temperature control within a deviation of ±0.1°C, while the dew prevention heater further enhances performance. It is specially created for beginners of deep-sky photography!

Important: All DSO Cooled Cameras need to be connected to an external 11-14V power supply. We recommend using the included power adapter or a lithium-ion battery with stable output of 11-14V. Please do not use power supplies that have falsely stated specifications or unstable outputs, as this may affect image capture or damage the camera.

Sensor Information

Sony IMX533 1-inch CMOS Sensor

ATR533C features the Sony IMX533 with 1-inch square optical format, delivering exceptional image quality for deep sky photography.

Resolution: 3008 × 3008 (9MP)
Pixel Size: 3.76μm × 3.76μm
Image Area: 11.31mm × 11.28mm
Diagonal: 15.97mm

Key Features

9 MP

Resolution

3008 × 3008

3.76 μm

Pixel Size

1-inch format

14-bit

ADC

High dynamic range

1.1 e⁻

Read Noise

Ultra-low noise

Dual Gain

Conversion

HCG / LCG modes

512 MB

DDR3 Buffer

Stable transfer

ΔT 42°C

Cooling

Below ambient

1 Hour

Max Exposure

Long exposure ready

512MB DDR3 Memory Buffer

ATR533C camera has a 512MB (4Gb) ultra-fast memory buffer to ensure stable image transmission, easing the burden on your computer's transmission system.

Cooling System

Two-Stage TEC Cooling System

ATR533C features a two-stage Thermoelectric Cooling (TEC) with controllable fan, allowing the sensor to operate at temperatures up to 42°C below ambient. The exposure time can be set for up to 1 hour, ensuring every detail is captured. Even in summer, it can still run stably all night with cooling temperatures ranging from -5°C to -10°C.

Efficient Cooling Design

The integrated heat dissipation structure and efficient cooling module ensure stable operation. Temperature deviation is controlled within ±0.1°C, providing consistent performance throughout long imaging sessions.

Anti-Dew Technology

ATR533C adopts advanced anti-dew technology with a heating function consuming about 5 watts (can be turned off via software). The dew heater at the protection window has 4 adjustable levels, allowing users to optimize for their conditions.

Zero Amp-Glow Technology

Eliminates Amplifier Glow

ATR533C has been carefully designed and is able to achieve zero amp-glow photo shooting. This not only greatly reduces the generation of internal glow, but also effectively suppresses the interference of external light. It also enhances the stability and durability of the camera, which means you'll be able to capture sharper, cleaner images in both long and high exposure modes.

Performance Analysis

Camera Parameters (Full Res, RAW 14-bit, Temp: -10°C, HCG)

Camera Parameters (Full Res, RAW 14-bit, Temp: -10°C, Low Noise, High Full Well)

ATR533C performance analysis high full well mode

Camera Parameters (Full Res, RAW 14-bit, Temp: -10°C, LCG)

Spectral Response

The quantum efficiency curve shows the sensor's response across the visible spectrum, optimized for deep sky imaging.

Key Parameters

Sensor	Sony IMX533 Color CMOS
Resolution	3008 × 3008 (9MP)
Pixel Size	3.76μm × 3.76μm
Optical Format	1-inch (diagonal 15.97mm)
ADC	14-bit
Read Noise	1.1 e⁻ (HCG mode)
Conversion Gain	Dual gain (HCG / LCG)
DDR3 Buffer	512MB
Cooling	Two-stage TEC, up to 42°C below ambient
Max Exposure	Up to 1 hour
Power Supply	DC 12V / 3A
Interface	USB 3.0 / USB 2.0