Professional monochrome autoguiding camera featuring Sony IMX662 STARVIS 2 sensor with exceptional sensitivity for precise telescope tracking and advanced astronomical imaging
The Monochrome Advantage
Without the Bayer matrix of color sensors, the GPM662M captures 100% of incoming light at each pixel, delivering approximately 3x higher sensitivity and superior resolution. This makes it the ultimate choice for serious planetary imagers using filter wheels and RGB/narrowband filters.
Technical Specifications
Transform your GPM662M from a Guide Camera to a wide-field galaxy imager in minutes. Our step-by-step guide ensures quick and secure lens replacement for different imaging applications.
The modular CS-mount design allows seamless transitions between telescope imaging and wide-field photography, maximizing the versatility of your investment.
Extended Infrared Sensitivity
The monochrome GPM662M extends its spectral response to 1100nm, providing exceptional performance in near-infrared wavelengths. This extended range reveals atmospheric details on planets that are invisible in visible light, making it invaluable for advanced planetary imaging with methane and IR-pass filters.
Optimized Dual-Mode Operation
Switch between HCG and LCG modes to perfectly match your imaging requirements, from capturing faint details to managing bright targets.
HCG Mode Performance
Achieve minimum read noise of just 0.4e⁻ for capturing the faintest planetary details and deep-sky objects with exceptional clarity.
- • Read Noise: 0.4-1.32e⁻
- • Full Well: 3.89ke⁻
- • Dynamic Range: 11.9 stops
LCG Mode Performance
Maximum full well capacity of 33.8ke⁻ provides exceptional dynamic range for lunar, solar, and bright planetary imaging.
- • Read Noise: 2.33-5.86e⁻
- • Full Well: 33.8ke⁻
- • Dynamic Range: 12 stops
Professional Features
Built-in Frame Buffer
Ensures stable data transmission and effectively reduces amp-glow, maintaining maximum frame rates even with multiple cameras operating simultaneously.
ST4 Auto-Guiding Port
Built-in ST4 port transforms the GPM662M into a dual-purpose imaging and precision autoguiding camera for complete imaging control.
Hardware ROI & Binning
Hardware-based ROI increases frame rates for guide star tracking. Digital binning from 1×1 to 8×8 in both stacking and averaging modes.
12-bit ADC
High bit-depth analog-to-digital conversion preserves subtle tonal gradations and provides 4096 levels of brightness data.
Filter Imaging Excellence
The GPM662M excels with specialized filters, revealing details impossible to capture with color cameras.
IR-Pass Filters
Penetrate atmospheric turbulence for sharp planetary details
Methane Band
Reveal cloud structures on Jupiter and Saturn
UV Filters
Capture Venus cloud patterns and lunar mineralogy
RGB Imaging
Create high-resolution color composites with no Bayer artifacts
Versatile Connection Options
CS-Mount Design
Standard CS-mount with removable adapter ring for maximum telescope and lens compatibility.
1.25" Filter Ready
Direct compatibility with 1.25" filters when using the included extender.
Multiple Adapters
Includes 1.25" nosepiece and 5mm adapter ring for various configurations.
Compact Professional Design
Physical Specifications
Precision Engineering Details
The GPM662M features meticulously engineered mechanical construction with precise dimensional tolerances. Every component has been designed for optimal optical alignment and thermal stability, ensuring consistent guiding performance across extended imaging sessions.
Precision Machining
CNC-machined aluminum body ensures exact dimensional accuracy and optimal heat dissipation.
Optical Path Optimization
Carefully calculated back focus distance maintains perfect sensor alignment with your optical system.
Modular Design
Removable adapter rings allow flexible configuration for various telescope and filter combinations.
Universal Software Compatibility
The GPM662M seamlessly integrates with all major astronomy imaging software platforms, providing maximum flexibility for your imaging workflow.
Multi-platform SDK support: Windows, Linux, macOS, Android
Complete Package Contents
Why Choose the GPM662M?
True Resolution Without Interpolation
Every pixel captures 100% of incoming light without Bayer matrix losses, delivering approximately 3x the detail of color sensors for critical planetary features.
Extended Near-Infrared Performance
Spectral response to 1100nm opens new imaging possibilities with specialized filters, revealing atmospheric details invisible to color cameras.
Ultra-Low Read Noise
Achieve read noise as low as 0.4e⁻ in HCG mode, capturing the faintest planetary details and deep-sky objects with exceptional signal-to-noise ratio.
Professional Filter Imaging
Create stunning RGB composites and narrowband images with no color matrix artifacts, achieving results comparable to cameras costing significantly more.
Dual-Purpose Design
Built-in ST4 guide port transforms the GPM662M into both a high-performance imager and precision autoguider, maximizing your investment.
Monochrome vs Color: The Technical Advantage
Monochrome GPM662M
- ✅ 100% light capture per pixel
- ✅ No Bayer pattern artifacts
- ✅ True resolution without interpolation
- ✅ Superior with narrowband filters
- ✅ Extended IR to 1100nm
Color Cameras
- ❌ ~33% light loss from Bayer filter
- ❌ Color interpolation reduces detail
- ❌ Effective resolution ~1/3 lower
- ❌ Limited filter performance
- ❌ IR typically blocked
- Opens in a new window.