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Explore Apollo 428M MAX Pro
This cooled monochrome camera pairs a Sony IMX428 1.1" sensor with compact, lightweight hardware for versatile planetary, lunar and solar work. It combines 7.1 megapixels, hardware binning options and two-stage TEC cooling with an anti-dew heater to help you capture stable, low-noise frames across short and long exposures.
Sensor: Sony IMX428 mono
Format: 14.5 x 9.9 mm (1.1")
Max Resolution: 3216 x 2208 (7.1 MP)
Pixel Size: 4.5 µm (BIN2 = 9 µm)
The camera uses a Sony IMX428 monochrome sensor in a 1.1" format, delivering 3216 × 2208 (7.1 MP) at 4.5 µm pixels. In BIN2 mode the effective pixel size doubles to 9 µm, increasing full well and changing sampling, useful when you need more signal per binned pixel or want to match larger focal ratios.
Hardware and software BIN2 modes boost well depth and throughput. Base RAW8 BIN2 runs up to 51 FPS; hardware BIN2 can raise frame rates further (manufacturer notes up to ~135 FPS in Mono8 and ~109 FPS in Mono16). Choose BIN2 for higher full well (reported around 100 ke⁻) or unbinned for maximum resolution.
Read noise varies with gain: low-gain operation is quoted between about 5.5 and 1.4 electrons, while engaging HCG at high gain (≥70) reduces read noise to about 2.4 electrons. This gives flexibility when imaging bright targets at high frame rates or faint targets requiring low noise.
A two-stage TEC cooler targets a delta-T around 35–40 °C below ambient, helping lower dark current for long exposures. The camera also includes a built-in anti-dew heater to guard the protective window, and a 512 MB DDR3 buffer to smooth data streaming during sustained captures.
| ADC | 12 bit |
| Adapter | 1.25″ / M42x0.75 |
| Back Focal Length | 17.5 mm |
| Chip Size | 14.5 mm x 9.9 mm |
| Cooler Power Consumption | 12 V - 3 A Max |
| Cooling System | High quality 2-stage TEC cooling Component |
| Data Port | USB 3.0 / USB 2.0 (Type-C) |
| Delta T | 35 °C-40 °C (below ambient) |
| Diagonal | 17.5 mm |
| Diameter | 78 mm |
| Exposure Range | 32 µs-2000 s |
| Frame Rate | 51 FPS (10-bit RAW8) |
| Full Well | 25.3 k e⁻ (BIN1), ~100 k e⁻ (BIN2) |
| Max Resolution | 3216x2208 |
| Pixel Size | 4.5 µm (BIN2 = 9 µm) |
| Protective Window | D32 x 2 mm High Quality AR Plus Multi-Layer Coating |
| QE Peak | ≈79% |
| Readout Noise | 5.5 - 1.4 e⁻ (low gain), ~2.4 e⁻ (HCG gain ≥70) |
| Resolution and FPS | Performance via USB 3.0 Connection Resolution RAW8 RAW12 3216x2208 51 FPS 27 FPS |
| Sensor | Sony IMX428 1.1″ CMOS (mono) |
| Shutter | Global shutter |
| Total Pixels | 7.1 Mega Pixels |
| Weight | 420 g |
| Working Temperature & Humidity | -10 °C-60 °C / 0%-80% |