The ZWO ASI432MM Mono is a light-sensitive monochrome camera with a large sensor, perfect for capturing the sun, moon and to a lesser extent deep-sky objects. Thanks to the Sony IMX432 sensor with 9 µm pixels, this camera offers an exceptionally wide dynamic range, high sensitivity and razor-sharp details.
The ASI432MM is completely free of amplifier glow (amp glow) and therefore delivers extremely clean images, even with longer exposure times. While the resolution is modest (1.77 MP), this is more than compensated for by the speed (up to 120 fps), low noise and exceptionally high full well capacity of 97,000 e⁻.
Key Features
- Sony IMX432 sensor (1.77 MP) – 9 µm pixels for maximum light output
- No amplifier glow (Zero Amp Glow) – perfect for stacking or long exposures
- Frames per second – up to 120 fps at full resolution (1608 × 1104)
- Full Well Capacity of 97,000 e⁻ – prevents oversaturation with bright objects
- Highly suitable for IR, solar and lunar photography – when using appropriate filters
- Clear AR glass filter – UV and IR are transmitted (IR-cut optional)
Applications
✓ Full moon disk or sun disk (with appropriate solar filters)
✓ Fast planetary imaging with high frame rate
✓ IR photography for better stability in poor seeing
✓ Deep-sky photography with low noise and stacking
✓ EAA and guiding thanks to ST-4 port
Specifications
Property | Value |
---|---|
Sensor | Sony IMX432 CMOS (Mono) |
Resolution | 1608 × 1104 (1.77 MP) |
Pixel size | 9 µm |
Sensor format | 14.5 × 9.95 mm |
Diagonal | 17.6 mm |
Bit depth | 12-bit |
Full Well Capacity | 97,000 e⁻ |
Read noise | 2.4 e⁻ |
FPS | 120 (full resolution) |
Interfaces | USB 3.0, ST-4 |
Cooling | No |
Telescope connection | 1.25″ T2 |
Weight | 126 g |
Dimensions | Ø62 mm × 36 mm |
Additional Info
✓ No active cooling needed thanks to low noise
✓ IR/UV transparent glass – for full wavelength sensitivity
✓ Compatible with Windows, Mac and Linux
Please Note
Always use an appropriate solar filter for solar observations. An IR-cut filter is recommended for standard applications to block IR.
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