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ToupTek G3M664C camera (IMX664C color)

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ToupTek G3M664C - Planetary camera & color guidance (STARVIS 2)

Visit ToupTek G3M664C is a camera planetary/guidance color ultra-sensitive sensor-based Sony IMX664 (1/1.8″, technology STARVIS 2). With its 2.9 µm pixelshis 12-bit ADChis 512 MB DDR3 buffer and the USB 3.0 Type-Cit combines low reading noise, full-well high and fast pace for the Moon, planets, Sun (adapted filters), and theself-steering.

Highlights

Sensor : Sony IMX664 color1/1.8″, BSI, STARVIS 2excellent sensitivity (peak EQ > 90 %).
Resolution : 2688 × 1520 (≈ 4.09 MP) - pixels 2.9 µm.
12-bit ADC - HCG/LCG modes - KING and digital binning 1×1 → 8×8.
Playback noise type. ~6,2 → 2,67 e- depending on gain.
Pleine-puits : ~38 ke- - SNR max ≈ 45.8 dB - DR ≈ 75.8 dB.
Speed up to ~91 fps full-format (USB 3.0, 8-bit), ideal for the lucky imaging.
ST-4 integrated for autosteering - 512 MB buffer for stable, loss-free transmission.
1.25″ mounting (M28.5×0.6) + adapters C/CS - window IR-cut/AR depending on version.

Technical specifications

Sensor	Sony IMX664 color, BSI, 1/1.8″ (diag. ≈ 9.02 mm)
Active zone	7.84 × 4.45 mm
Resolution	2688 × 1520 (≈ 4.09 MP)
Pixel size	2.9 µm
ADC	12-bit (8/12-bit output)
Playback noise	≈ 6.2 → 2.67 e- (depending on gain)
Full-well (FWC)	≈ 38 ke-
QE (peak)	> 91 %
Max. frame rate (full sensor)	≈ 91 i/s (USB 3.0)
Shutter	Rolling
Laying time	~0.1 ms to 1000 s
Interface	USB 3.0 Type-C
Buffer memory	DDR3 512 MB
Guidance port	ST-4
Assembly	1.25″ nose (M28.5×0.6) - C and CS adapters included
Backfocus (bare body)	≈ 8.5 mm (nu) - ≈ 12.5 mm (CS) - ≈ 17.5 mm (C)
Dimensions / Weight	Ø ≈ 37 mm × ≈ 72 mm - ≈ 70 g
OS & SDK	Windows / macOS / Linux / Android - Multi-platform SDK

Performance & uses

Planetary Moon/Jupiter/Saturn, lucky imaging high frame rate (91 fps full sensor).
Solar H-alpha/continuum (suitable filters), excellent SNR.
Self-steering : port ST-4high sensitivity, perfect for OAG.
IR-pass very good response in the near infrared (CH₄IR 742 nm, etc.).

Window	Typical data rate (USB 3.0)
Full sensor 2688×1520	≈ 91 fps (8 bits)
ROI (e.g. 1920×1080)	> 120 fps

Software & compatibility

Drivers	ASCOM, INDI - DirectShow - Native SDK
Acquisition	SharpCap, FireCapture, ToupSky, MaxIm DL, AstroArt
Guidance	PHD2 via ASCOM or port ST-4

Integration & mechanics

Body 1.25″ compatible with most ocular holders, drawers and OAGs.
C/CS adapters supplied for industrial lenses and compact setups.
Short backfocus (8.5 mm bare): ideal for tight OAG.

Box contents

G3M664C camera (1.25″ body)
Nose 1.25″
C and CS adapters
USB-A → USB-C (USB 3.0) cable
Cable ST-4 self-steering

Content may vary by batch/region.

Why choose the G3M664C?

Because it combines the essentials for high resolution and guidance: sensor STARVIS 2 modern, high speed, low noise, full-well comfort, USB 3.0, 512 MB buffer and ST-4 - all in an ultra-compact 1.25″ format.

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