QHY461 PH
QHY
QHY461 PH is a large-format monochrome astronomy camera for LRGB and narrowband deep-sky imaging.
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Specifications
Sensor
- Sensor model
- SONY IMX461 BSI CMOS Sensor
- Color / mono
- Monochrome
- Sensor size
- 44 mm x 33 mm
- Megapixels
- 104.62 MP
- Resolution
- 11760 × 8896
- Pixel size
- 3.76 µm x 3.76 µm
- Max frame rate
- 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
Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.
| Retailer | Price | Availability | View Offer |
|---|---|---|---|
| Cloud Break Optics Cloud Break Optics | $14,699.00 | In stock Updated 5/11/2026 | View Offer - $14,699.00 |