Hygrometer sensor for Vespera VAONIS

Only for Vespera I, Vespera II and Vespera Passengers

Fog is one of the many enemies of amateur astronomers. In a cold or humid environment, droplets and fog can form on the lenses of telescopes and cameras, affecting both observing and photo quality.

It is ideal for people living in a humid region (sea, ocean, river, lakes, ponds, etc.) or in a region where temperatures are cold. It is also ideal in winter, when temperatures are close to 0° Celsius.

Anti-fogging system

By equipping your station with this sensor, Vespera's integral defogger will activate when a certain temperature and humidity threshold is reached. The heat continuously generated around the lens will eliminate fogging, creating better viewing conditions and sharper images.

Improved focus

Condensation caused by fogging affects the focus of the Vespera photosensor:

• Initialization and acquisition times can be longer because more photos will be rejected by our image processing algorithms, which check the quality of the images and discard them if they are not of sufficient quality.
• The sharpness of the images, which in astrophotography is judged mainly by the sharpness of the stars and the absence of haloes, is not so good.

The hygrometer and associated defogging system will improve both your observation and your photos.

A discreet design

Measuring less than 13 mm, the hygrometer is equipped with an electronic board that is the smallest our expert engineers have ever designed. The sensor fits discreetly into Vespera's optical arm and is compatible with the use of filters. It will automatically turn the anti-fogging system on and off, so you never have to worry about it.