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ToupTek G3M678M camera (IMX678M mono)

Name: Caméra ToupTek G3M678M (IMX678M mono) - Deep space astronomy
Price: 219 CHF
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ToupTek G3M678M - Planetary camera & monochrome guidance (STARVIS 2)

Visit ToupTek G3M678M is a USB 3.0 planetary camera ultra-sensitive sensor-based Sony IMX678M (technology STARVIS 21/1.8″ format). With 8.3 MP (3840 × 2160) and 2.0 µm pixelsit delivers high speeds and a high extremely low read noise for the Moon, planets, Sun (with appropriate filters) and theself-steering precise via ST-4.

Highlights

Sensor : Sony IMX678M monoSTARVIS 2, 1/1.8″ (7.7 × 4.3 mm).
Resolution : 3840 × 2160 (≈ 8.3 MP) - pixels 2.0 µm.
12-bit ADC - Hardware ROI - binning numeric 1×1 → 8×8.
Playback noise type. ~0,4 → 0,6 e- (depending on gain), zero amp-glow.
Pleine-puits ≈ 11.6 ke- - QE peak > 83 %.
High speeds up to ~47-60 fps at full format (USB 3.0), > 100 fps at typical ROI.
Integrated ST-4 for self-steering - buffer (frame buffer) for stable transmission.
1.25″ mounting (M28.5×0.6) + adapters C/CS - AR window.

Technical specifications

Sensor	Sony IMX678M mono, BSI, STARVIS 2, 1/1.8″
Active zone	7.7 × 4.3 mm (diag. ≈ 8.47 mm)
Resolution	3840 × 2160 (≈ 8.3 MP)
Pixel size	2.0 µm
ADC	12-bit (8/12-bit output)
Playback noise	≈ 0.42 → 0.6 e- (depending on gain)
Full-well (FWC)	≈ 11.6 ke-
QE (peak)	> 83 %
Max. frame rate (full sensor)	≈ 47-60 fps (USB 3.0)
Shutter	Rolling
Laying time	0.1 ms to 1000 s
Interface	USB 3.0 Type-C
Ports	ST-4 (guiding) - USB 3.0 PC
Tampon	Integrated frame buffer
Assembly	1.25″ nose (M28.5×0.6) - C and CS adapters included
Backfocus (bare body)	≈ 12.5 mm (CS) - ≈ 17.5 mm (C)
Dimensions / Weight	Ø ≈ 37 mm × ≈ 72 mm - ≈ 70 g
OS & SDK	Windows / macOS / Linux - Cross-platform SDK

Performance & uses

Planetary Moon/Jupiter/Saturn, lucky imaging high-speed, full-width 4K.
Solar H-alpha/continuum (suitable filters), very low noise and comfortable dynamic range.
Self-steering : port ST-4OAG-sensitive sensor, even at high focal lengths.
IR-pass good near-IR response (685-850 nm filters, CH₄).

Window	Typical data rate (USB 3.0)
Full sensor 3840×2160	≈ 47-60 fps
ROI (e.g. 1920×1080)	> 100 fps

Software & compatibility

Drivers	ASCOM, INDI - 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 ideal for tight OAG.

Box contents

G3M678M 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 G3M678M?

Because it combines sensor STARVIS 2 modern (2.0 µm), high speed, ultra-low noise, USB 3.0, buffer and ST-4 in a very compact 1.25″ format: an excellent choice for high resolution and guidance.

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