Omegon Camera veTEC 533 C Color: cooled camera with square 9 megapixel sensor
The veTEC 533 C is the camera with which many astrophotographers take the step to cooled imaging. The Sony IMX533 is square: 3008 by 3008 pixels on an 11.3 by 11.3 mm sensor. So you don't have to think about the orientation of your image.
The sensor shows no amp glow. This saves calibration work and provides clean images, even with exposures of five minutes or longer.
Sensor and field of view
The square sensor has a diagonal of 16 mm and pixels of 3.8 micrometers. The readout is 14-bit, at 20 frames per second at full resolution.
The full well capacity is 50,000 electrons, the read noise is approximately 1.3 electrons at unity gain, and the quantum efficiency is around 80 percent.
Cooling and dark current
A cooled sensor is the difference between a usable and an unusable five-minute exposure. This camera cools to 30 degrees Celsius below ambient temperature. As a result, the dark current drops to a level where faint nebulae structures emerge above the noise.
Because you set the sensor temperature to a fixed value, dark frames remain usable over multiple nights. This saves calibration work each session.
Connect and back focus
The camera has a T2 thread with a flange distance of 17.5 mm. The adapter sleeve makes it a 2-inch connection. The filter thread is 2 inches.
With the loose 12.5 mm adapter, you reduce the flange distance, which provides space for a filter wheel or an off-axis guider in the optical train.
Rear USB hub
There are two additional USB ports on the back. You can connect a guiding camera or an electronic focuser to them, for example, so that only one cable runs to your computer.
The hub works with USB 2.0. For the camera itself, you use a USB 3.0 port on the computer, otherwise the read speed will drop.
Software and method
Control is via ASCOM or INDI, with which the camera cooperates with N.I.N.A., SharpCap, APT, and Siril. Omegon's free capture software can be downloaded.
Note: the veTEC cameras do not have an ST4 port and are not intended as an autoguider. For guiding, combine the camera with a separate guiding camera, for example from the GUIDE or veLOX series.
Included
- Camera with thermoelectric cooling
- Adapter sleeve from T2 to 2 inch
- USB 3.0 cable
- Power supply 12 V / 3 A
- Rugged transport case
Featured accessories
An off-axis guider keeps the guide star in the same optical axis. The 12.5 mm adapter provides back focus space when adding a filter wheel.
For whom yes and for whom no
- ✓ The first cooled camera after a system camera
- ✓ Deep-sky work without amp glow
- ✓ Small refractors and astrographs with a limited field of view
- Those who need a full-frame field of view
- Anyone expecting an auto-guider port in the camera
Specifications
| Sensor | Sony IMX533 CMOS, back-illuminated, color |
| Sensor format | 0.44 x 0.44 in, diagonal 0.63 in |
| Pixel size | 3.8 micrometers |
| Resolution | 3008 x 3008 pixels (9 MP) |
| Bit depth | 14 bit |
| Frame rate | 20 fps at full resolution |
| Cooling | Active, up to 30 degrees Celsius below ambient temperature |
| Full well capacity | 50,000 electrons |
| Reading noise | around 1.3 electrons at unity gain |
| Quantum efficiency | around 80 percent |
| Amp glow | Not present |
| Telescope connection | 2 inches |
| Filter thread | 2 inches |
| Binning | 2×2, 3×3, 4×4 (digital) |
| Buffer Memory | 512 MB DDR3 |
| Shutter | Rolling shutter |
| Nutrition | 12 V / 3 A |
| Interfaces | USB 3.0 with 2x USB 2.0 hub |
| Autoguider port | Not present |
| Flange spacing | 17.5 mm (T2) |
| Operating temperature | -10 to +50 degrees Celsius |
You can find more astrophotography accessories from merk at the Omegon merk Page.
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