1-Inch Sensor with 4.5 μm Pixels
The Sony IMX428M sensor combines 7.04MP resolution with 4.5 μm pixels, offering a balance of sensitivity, detail, and readout speed for planetary, lunar, solar, and deep-sky imaging.
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Quick Specs
ATR428M
High-Speed Monochrome Imaging for Planets and Deep Sky
定価
$989.00
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2-year warrantyfor peace of mind
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Compatibility / Requirements
Compatibility / Requirements
ATR Series cooled cameras require a stable 12V 3A DC power supply. Use the supplied adapter or a lithium-ion battery with a stable 11–14V output.
Delivery and Shipping
Delivery and Shipping
Shipping options and checkout-calculated delivery details are shown before payment.
Warranty and Support
Warranty and Support
For setup support, software downloads and warranty service, contact ToupTek Astro support with your order information.
Reviews (1)
Reviews (1)
Full Specifications
Full Specifications
Meet ATR428M: Large Pixels and Global Shutter, Designed for Solar Imaging
Explore the details of planets, the Moon, and the Sun with the ToupTek ATR428M. Built around Sony’s IMX428M 1-inch global shutter sensor, it combines fast readout with a 512MB DDR3 buffer for high-speed image capture. Two-stage TEC cooling also supports long-exposure deep-sky imaging, making the ATR428M a versatile choice for astrophotographers who prioritize planetary imaging without giving up deep-sky capabilities.
IMX428M Sensor
Monochrome Imaging for Greater Control
Without a Bayer color filter array, the sensor captures incoming light directly at each pixel. This makes the ATR428M well suited to monochrome planetary imaging and, with LRGB or narrowband filters, detailed deep-sky photography.
Peak QE >79% for High-Sensitivity Imaging
The Sony IMX428M sensor delivers peak quantum efficiency above 79%, helping capture incoming light efficiently across a range of astronomical targets. Combined with its monochrome design, this makes the ATR428M well suited to planetary, solar, lunar, and deep-sky imaging, including narrowband imaging with appropriate filters.
Is ATR428M Right for Your Astronomy Imaging Setup?
Planetary Imagers Seeking Fine Details
If you enjoy imaging Jupiter, Saturn, Mars, or the Moon, the ATR428M’s global shutter and fast readout support high-speed capture. Record sequences of images and select the sharpest frames to bring out fine planetary and lunar details.
Solar and Lunar Imaging Enthusiasts
The monochrome sensor and global shutter make the ATR428M suitable for solar and lunar imaging with compatible optical systems and appropriate solar safety equipment. Its fast capture workflow helps you collect frames when atmospheric conditions are favorable.
Deep-Sky Imagers Who Want More Flexibility
The ATR428M is also capable of deep-sky imaging. Two-stage TEC cooling supports long exposures, while its monochrome sensor can be paired with LRGB or narrowband filters for imaging galaxies, star clusters, and nebulae.
Annular solar prominence eruption by © Feifeifei
Why Choose the ATR428M
512MB DDR3 High-Speed Buffer
High-bandwidth data transmission is secured by an onboard DDR3 buffer, preventing frame dropping, minimizing USB bus traffic bottlenecks, and ensuring ultra-stable image delivery even during fast frame rates or live rendering.
Anti-Condensation Heating
The ATR series optical window features an integrated smart heating system that actively measures ambient temperature and humidity. It automatically applies precise heat to prevent condensation, keeping your optical path crystal clear without introducing disruptive thermal air currents.
Two-Stage TEC Cooling
Equipped with an integrated heat dissipation structure and a high-efficiency dual-stage Thermoelectric Cooling (TEC) module with a controllable fan. It lowers the sensor temperature to 45°C below ambient, consistently maintaining a stable -5°C to -10°C even in peak summer. This allows for clean, long-exposure tracking up to 1 hour without thermal noise accumulation.
Global Shutter and High-Speed Capture
The global shutter captures the entire frame at once, helping reduce rolling-shutter distortion. This is especially useful for planetary and lunar imaging, where high-speed capture helps you collect more frames during moments of steady seeing.
ATR428M Performance Analysis
The Sony IMX428M sensor offers strong sensitivity across the visible spectrum, extending into the near-infrared. This broad response supports planetary, lunar, solar, and deep-sky imaging, with added flexibility for capturing specific wavelengths using appropriate filters.
ATR vs. SkyEye Plus
Which Series Do You Need
Sensor Format
The ATR series features versatile sensors ranging from 1/1.2” up to APS-C (e.g., ATR585, ATR2600) to offer a balanced mix of performance and flexibility, whereas the flagship SkyEye Plus series incorporates APC-S (e.g., SkyEye26AM/AC Plus) and full-frame sensors (e.g., SkyEye62AM/AC Plus) to maximize light-gathering area and deliver expansive, uncropped fields of view.
OSC or Mono
Choose the acquisition workflow that matches your imaging goals
One-shot Color (OSC) cameras streamline your workflow by capturing full-color images without a filter wheel, offering a fast and travel-friendly setup that is perfect for astrophotography beginners, mobile imagers, or anyone seeking high-quality results with minimal post-processing.
Monochrome (Mono) cameras, however, deliver superior photon efficiency and pixel-level sharpness by eliminating the light loss and resolution interpolation of a Bayer matrix. Mono imaging is tailored for dedicated deep-sky astrophotographers who demand maximum sensitivity, ultimate narrowband performance (Hα, OIII, SII), and full control over composite LRGB rendering under any sky condition.
What's in the Box
Back Focus Connection
Frequently Asked Questions
Can I power my guide camera through the camera's built-in USB Hub?
Yes. The ATR series cameras connect with accessories through USB data connection and stable external power, allowing users to build a complete deep-sky imaging workflow with a telescope, mount, guide camera, computer or controller, and power supply.
Does the camera include a 12V power adapter, and is it mandatory for imaging?
Yes. All ToupTek Astro DSO cooled cameras require a regulated 12V 3A DC power supply for imaging. Please use the included factory power adapter or a high-quality lithium-ion battery with a stable 11V–14V output.
Will this camera work with my existing control software?
Yes. The ATR series features robust, industry-standard ASCOM and INDI drivers. It integrates seamlessly with all major open-source and commercial astronomy suites.
How do I achieve the standard 55mm backfocus with my telescope?
Achieving the industry-standard 55mm backfocus is precise and seamless. The optical train is configured via a modular three-stage connection sequence: a 17.5mm front adapter or tilter, a 20mm filter drawer or extension tube, and a 17.5mm Off-Axis Guider (OAG). This combination yields a perfect 55mm stack distance that connects natively to M48, M54, and M68 telescope interfaces, with simple adapter options available for M42 threads and 2-inch ports.
How does the Anti-Dew Technology work?
The ATR series utilizes a multi-layer defense system. The sensor chamber is industrially sealed with dry air to prevent internal frost. Simultaneously, a built-in electronic heating strip warms the protective window to prevent external dew under humid summer nights.
