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TS-Optics ToupTek Monochrome Astro Camera 492MP Sony IMX492 Sensor D=23.1 mm
Cooled USB 3.0 4/3" monochrome astro camera with powerful Sony CMOS sensor for astrophotography
This camera features a high-resolution 4/3" sensor with a 4128x2880 pixel array, utilizing 4.63 µm pixels. It has built-in 14-bit ADC (8-bit mode for more fps in higher resolutions), 15 ke full well capacity, and supports several binning modes.
Additionally, the camera has an excellent TEC cooling system which maintains precise temperature control within a deviation of 0.1 °C, while the dew prevention heater (window heating) further enhances performance.
Versatile high-performance sensor
The camera with the powerful Sony IMX492 back-illuminated sensor allows astrophotography on a very high level. This modern sensor can be used for all areas of astrophotography. The 4.63 µm pixels make this camera an all-rounder with highest sensitivity for short exposure times.
For extreme resolution, the TS492MP can be switched to Unlocked mode. The light sensitivity then drops to a quarter, but the pixel size is only a tiny 2.315 µm - for the currently highest detail sharpness with this sensor size!
You can run the camera in multiple resolutions, including Unlocked Mode. Here are the frame rates for 8-bit ADC and USB 3.0:
Another advantage is the high light sensitivity. The QE of 80% by the BACK ILLUMINATION technology already allows deep astro images with short exposure times, but the exposure time can be set for up to 1 hour, ensuring that every little detail is captured. This makes the camera very well suited for deep sky photography.
Astrophotographic results obtained with this camera on Astrobin
Here are some astrophotographs taken with a same-built camera model: Link to Astrobin
Back-illumination technology
Sony´s back-illuminated CMOS imaging sensor offers higher sensitivity with improved quantum efficiency of approx. 80%. This allows for significantly shorter exposure times. The advantages of CMOS image sensors, such as low power consumption and high operating speed, have been retained.
DDR3
This camera has a 512 MB (4 Gb) ultra-fast memory buffer to ensure stable image transmission.
Two stage TEC cooling system
This camera is designed with an integrated heat dissipation structure and an efficient cooling module. The cooling system features a two-stage Thermoelectric Cooling (TEC) with controllable electric fan assisting in heat dissipation. This allows the image sensor to operate at temperatures up to 42 degrees Celsius lower than the ambient temperature. Even in summer, it can still run stably all night with cooling temperatures ranging from of -5 °C to - 10 °C.
Anti-dew technology
The camera adopts the new anti-dew technology, which can effectively solve the condensation problem through heating. This heating function consumes about 5 watts, which can be turned off via software to save power.
Additionally, the dew heater at the protection window has 4 adjustable levels, allowing users to find the heating power that best suits their needs.
Connection to correctors with M48 thread and 55 mm working distance with filter change
Most coma correctors or field flatteners for refractors have 55 mm working distance and a M48x0.75 thread on the camera side. Here you will find an interesting suggestion for the connection. The camera has a back focus of 17.5 mm from the T2 female thread. The adapters are from the camera to the corrector:
1. TSFSLM48T2 - filter drawer with T2 connection on the camera side and M48 thread on the telescope side.
2. TSVF220 - 20 mm M48 extension.
Total 55.5 mm flange focal distance - the 0.5 mm compensates well for the glass path of the filter - spot landing!
Please remember:
All ToupTek Astro DSO cooled cameras can only be powered by 12 V / 3 A DC power supply. We recommend using the power adapter that comes with the camera or a lithium-ion battery with stable output of 11-14 V. Please do not use power supplies that have falsely stated specifications or unstable outputs to power the camera, as this may affect image capture or even damage the camera.
The manufacturer of the camera is ToupTek
As one of the largest manufacturers of professional cameras for digital photography, ToupTek brings the necessary knowledge for cameras that just work.
| Sensor: | 4/3" CMOS monochrome sensor IMX492 |
| Size: | 19.1 mm x 13.0 mm, diagonal 23.1 mm |
| Pixel size full resolution: | 4.63 µm |
| Number of pixels full resolution: | 4128 x 2808 - 11.6 MP |
| Pixel size unlocked: | 2.315 µm |
| Number of pixels unlocked: | 8184 x 5616 - 46 MP |
| Bit depth: | 14 |
| Bit depth unlocked: | 12 |
| Frames per second (8 bit): | approx. 33.3 fps at full resolution, approx. 8.0 fps unlocked |
| Shutter: | Rolling shutter |
| Exposure time: | 0.1 ms - 3600 s |
| Full well: | 66 ke- |
| Cooling: | Peltier cooling up to 35 °C (short exposure) or 42 °C (long exposure) below ambient temperature |
| Window: | AR-coated clear glass |
| Buffer: | 512 MB DDR3 |
| Connection ports: | USB 3.0 and USB 2.0 |
| Power supply: | USB port, 5.5/2.1 mm coaxial power connector (2.1 mm DC connector) for 12 V, 3 A |
| Supported operating systems: | Windows from XP, OS X, Linux |
| PC requirements: | Memory 2 GB or more, CPU equal Intel Core2 2.8 GHz, USB2.0 or USB3.0, CD-ROM |
| Operating temperature: | -10 °C - 50 °C |
| Body diameter: | 80 mm |
| Body length: | 107.1/101.6 mm |
| Connection telescope side: | T2 internal thread (M42x0.75) |
| Back focus: | 17.5/12.5 mm (distance sensor to internal thread) |
| Camera weight: | 577 g |
- Camera
- 12.5 mm M42M front ring adapter
- M48-M42 adapter ring (0 mm optical path)
- M48F-M42M extender (16.5 mm optical path)
- M42M-M42F extender (21 mm optical path)
- Power supply unit (12 V DC, 3.3 A)
- Mains cable
- USB 3.0 high-speed cable, length 1.5 meters
- Dust cap
- Note with QR code and web link
This Product was added to our catalogue on 29/08/2025.
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19 % VAT incl. excl. Shipping costs
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