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Home / Products / Astronomy Camera / G3CMOS M42+1.25” Mount USB3.0 Guiding As
G3CMOS M42+1.25” Mount USB3.0 Guiding Astronomy Camera

G3CMOS M42+1.25” Mount USB3.0 Guiding Astronomy Camera

G3CMOS M42+1.25” Mount USB3.0 Guiding Astronomy Camera is a CMOS-based astronomy imaging camera from Nanjing AMADA Instrument Co., Ltd. designed for precise guiding and tracking in astronomical observations. It features SONY Exmor, Exmor R, and Exmor RS CMOS sensors with hardware resolutions from 2.3M to 21M, USB3.0 data transfer, and integrated CNC aluminum alloy housing. The camera supports high sensitivity, low noise, and frame rates up to 120 fps, with exposure times from 0.06ms to 3600s.

  • High sensitivity and low noise performance matching CCD quality with CMOS sensor technology
  • USB3.0 interface enables fast data transfer and compatibility with multiple operating systems
  • Integrated CNC aluminum alloy housing ensures durability and thermal stability
  • Wide range of sensor sizes and resolutions (2.3M to 21M) to suit different telescope and guiding requirements
  • Supports multiple binning modes (1×1, 2×2, 3×3, 9×9) and exposure times from 0.06ms to 3600s
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Technical features

  • Sensor types: SONY Exmor, Exmor R, Exmor RS CMOS
  • Resolution range: 2.3M to 21M pixels
  • Mounting: M42 and 1.25” filter thread compatible
  • Data interface: USB3.0
  • Exposure time range: 0.06ms to 3600s (depending on model)
  • Frame rate: Up to 120 fps (model dependent)
  • Binning modes: 1×1, 2×2, 3×3, 9×9 (varies by model)
  • Integrated CNC aluminum alloy housing for thermal stability and durability

Who it is for

  • Astronomy researchers and observatories needing reliable guiding cameras
  • Amateur astronomers building or upgrading imaging setups
  • Distributors sourcing CMOS guiding cameras for astronomy equipment catalogs
  • System integrators building automated telescope control platforms

Specifications

ModelsG3CMOS21000KPA, G3CMOS20000KPA, G3CMOS20000KMA, G3CMOS16000KPA, G3CMOS16000KMA, G3CMOS10300KPA, G3CMOS06300KPA, G3CMOS06300KMA, G3CMOS02300KPA, G3CMOS02300KPB
Sensor TypeSONY Exmor, Exmor R, Exmor RS CMOS
Resolution2.3M to 21M
Sensor Size1/1.9”, 1/1.8”, 4/3”, 1”, 4/3” (IMX269), 1” (IMX183), 4/3” (MN34230PLJ), 4/3” (MN34230ALJ), 4/3” (IMX294), 1/1.8” (IMX178), 1/1.2” (IMX302)
Pixel Size2.4×2.4 μm to 5.86×5.86 μm
InterfaceUSB3.0
Exposure Time0.06ms to 3600s
Frame RateUp to 120 fps
Binning1×1, 2×2, 3×3, 9×9
MountingM42 and 1.25” filter thread

Use guide

  • Select model based on required resolution, sensor size, and pixel pitch
  • Use 1×1 binning for maximum resolution, 2×2 or 3×3 for higher frame rates
  • Set exposure time based on star brightness and tracking speed
  • Use SDK to integrate with guiding software on Windows, Linux, macOS, or Android

FAQ

What models are available in the G3CMOS series?
G3CMOS21000KPA, G3CMOS20000KPA, G3CMOS20000KMA, G3CMOS16000KPA, G3CMOS16000KMA, G3CMOS10300KPA, G3CMOS06300KPA, G3CMOS06300KMA, G3CMOS02300KPA, G3CMOS02300KPB
What is the exposure time range?
From 0.06ms to 3600s, depending on the model
Can I use this camera with my telescope?
Yes, it has M42 and 1.25” filter thread mounts for direct integration with most telescopes
What operating systems are supported?
Windows, Linux, macOS, and Android via native SDKs in C/C++, C#, VB.NET, Python, Java, DirectShow, Twain
What is the frame rate?
Up to 120 fps, depending on the model and binning mode used

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