2.7FPS @ 8BIT 1.3FPS@16BIT on USB3.0 2.7FPS @ 16BIT 6FPS @ 14BIT on 10Gigabit Fiber
Shutter
Electric Rolling Shutter
ADC
16-bit (0-65535 greyscale) for 1X1Binning18bit in 2X2 19BIT in 3X3 20BIT in 4*4 software Binning
Read noise
1e to 3.7e (in HGC mode)
Full well
50 ke- / 200 ke- / 450 ke- in Standard Mode 80 ke- / 320 ke- / 720 ke- in Extend Full Well Mode
Exposure range
50us – 3600sec
Cooling
Cooling
Two-stage TEC cooling
Sensor window
AR+AR High Quality Multi-Layer Anti-Reflection Coating
Mechanical
Interface
USB3.0
Buffer
1GByte DDR3 Buffer
Sensor / electronics
Back focus
32.5mm
Astrophotography Fit
A cooled monochrome camera best used where its sensor size and workflow match the telescope and calibration plan.
QHY461 PH is a flagship monochrome camera aimed at LRGB and narrowband deep-sky imaging.
As a mono camera, it becomes a system only after you add a filter wheel, LRGB filters, and narrowband filters. The payoff is stronger control over signal, star color, and emission-line contrast, but the setup asks for calibration discipline.
For high-frame-rate work, pair it with a long focal length telescope, an ADC when planets are low, and capture software that can record short exposures quickly. It is less satisfying as the only deep-sky camera unless the target scale and sensor size make sense.
Best paired with
Electronic filter wheel sized for the sensor and back-focus budget
LRGB plus Ha, OIII, and SII filters matched to the sky conditions
Guided refractors or corrected astrographs with a clean calibration-frame library
Not recommended for
First-time imagers who want a simple one-shot color workflow
Rigs without budget or back focus for a filter wheel and filters
Casual sessions where darks, flats, and repeatable gain settings are unlikely
Where To Buy
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