ZWO ASI174MM Mini The ASI174MM Mini is a compact monochrome guide camera with a 11.3 × 7.1 mm sensor, 1936 × 1216 resolution and 5.86 µm pixels. The 36 mm body weighs 60 g and fits a 1.25-inch holder or an appropriate off-axis guider.
Manufacturer model: ZWO ASI174MM Mini · Specifications checked against manufacturer data on 2026-11-03
The ASI174MM Mini is a compact monochrome guide camera with a 11.3 × 7.1 mm sensor, 1936 × 1216 resolution and 5.86 µm pixels. The 36 mm body weighs 60 g and fits a 1.25-inch holder or an appropriate off-axis guider.
ZWO specifies 77% peak quantum efficiency, 32,000-electron full well, 3.5 at 30 dB gain electron read noise and a 12-bit ADC. Exposure range is 32 µs–300 s; the frame-rate figures are 18.4 fps RAW8; 9.2 fps RAW16 at full resolution. The sensor uses a global shutter.
A USB 2.0 Type-C port carries power and image data using a Type-C to Type-A cable. The ST4 port can connect directly to a mount guide port. Software guiding over a compatible mount connection is a separate control option.
The manufacturer specifies an AR-coated protective window, M28.5 × 0.6 / 1.25-inch interface and 8.5 mm backfocus. Operating conditions are −5 to 50 °C and 20–80% relative humidity. This Mini camera is uncooled.
ZWO manufacturer documentation
Use the exact named-model manufacturer connection and operating instructions linked with this product. Optional parts and adapters require their specified spacing and power limits.
| Frame rate | 18.4 fps RAW8; 9.2 fps RAW16 at full resolution |
|---|---|
| Sensor backfocus (mm) | 8.5 |
Data sheet
ZWO ASI174MM Mini The ASI174MM Mini is a compact monochrome guide camera with a 11.3 × 7.1 mm sensor, 1936 × 1216 resolution and 5.86 µm pixels. The 36 mm body weighs 60 g and fits a 1.25-inch holder or an appropriate off-axis guider.
Manufacturer model: ZWO ASI174MM Mini · Specifications checked against manufacturer data on 2026-11-03
