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.
Guiding performance
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.
USB and mount connections
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.
Optical and operating details
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.
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.
Additional specifications
Frame rate
18.4 fps RAW8; 9.2 fps RAW16 at full resolution
Sensor backfocus (mm)
8.5
55842
Datasheet
ADC (bits)
12
Behuizingsdiameter (mm)
36
Kleurmodus
Monochrome
Aansluiting
1.25-inch; M28.5 × 0.6
Gekoeld
No
Belichtingsbereik
32 µs–300 s
Full well (e⁻)
32000
Guidepoort
ST4
Interface
USB 2.0 Type-C; Type-C to Type-A cable required
Bedrijfsluchtvochtigheid
20–80%
Bedrijfstemperatuur
−5 to 50 °C
Piek-QE (%)
77
Pixelgrootte (µm)
5.86
Voeding
USB powered
Beschermvenster
AR-coated
Uitleesruis (e⁻)
3.5 at 30 dB gain
Resolutie (px)
1936 × 1216
Sensor
Sony IMX249 (current manufacturer specification table)
Sensorafmetingen (mm)
11.3 × 7.1
Sluiter
Global shutter
Software
Windows; Linux; macOS
Luchtvochtigheid opslag
20–95%
Opslagtemperatuur
−20 to 60 °C
Gewicht (g)
60
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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
