Camera Models

About the DVTI+CAM

The DVTI+CAM is a small, affordable and easy to use digital video camera with time insertion, optimized for observing stellar occultations. It has been developed and tested with feedback and support from the stellar occultation community.

A dedicated control software optimally supports the observation process by providing integration with telescope control (via Ascom), plate solving (ansvr, ASTAP, astrometry.net) and Occult Watcher and makes it possible to automatically combine all information in the SODIS observation report.

For good performance, you need a reasonably modern PC running Microsoft Windows 10 or newer, with an USB-3 connector and a solid-state disk drive (SSD, ideally reserved for recording), because the camera generates large amounts of uncompressed image data which the computer needs to save on the disk.

The camera is not optimized for taking "pretty pictures". It contains no active cooling.

Product comparison
DVTI+CAM 174
DVTI+CAM 174
Scientific USB-C video camera
Sony IMX174 CMOS sensor,
1936 × 1216 5.86 µm pixels,
monochrome 12-bit
DVTI+CAM 430
DVTI+CAM 430
Scientific USB-C video camera
Sony IMX430 CMOS sensor,
1624 × 1240 4.5 µm pixels,
monochrome 12-bit
Cooling
Passive cooling via enclosure, no active cooling.
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Time Source
u-blox MAX M8C GNSS module with external antenna, supporting GPS, Galileo, Glonass and Baidou constellations.
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Calibration
No calibration is required. The camera calculates the start and end time of the exposure based on control and status signals from the image sensor and known delays in the sensor. The inserted timestamp has a resolution and accuracy of 1 millisecond.
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Computer Interface
USB-C connector, 5 Gb/s USB 3 link, UVC standard.
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Firmware Updates
The camera firmware can be updated from the camera control tool via the USB connection if new features or bug fixes become available. Opening the camera is not required.
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Power Supply
Via USB-C connector, from the computer. No additional power supply needed.
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Size and weight
Cylindrical form, 2 inch diameter, 80 mm length, can be inserted directly in 2 inch focusers.
M42 thread e.g. for 1.25 inch adapters.
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Features

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Recent scientific discoveries with DVTI+CAM

Discovery Graph

Discovery of a moon around asteroid (108968) 2001 PE40

by J. Kaeser/J. Schenker and M. Gutekunst.

Both teams used a DVTI+CAM 430 to record this observation.

Discovery Graph

Discovery of stellar duplicity of UCAC4 644-038283 during the occultation by asteroid (709) Fringilla.

Two observers, B. Kattentidt and C. Ziolek, used a DVTI+CAM 430 to observe the event. More...

Discovery Graph

Jupiter Trojan (17365) Thymbraeus is a possible elongated dumbbel-shaped asterod with a density lower than water and a high-priority target for scientists.

C. Ziolek helped to determine the shape with his DVTI+CAM 430. More...

Customer testimonials

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