www.shop.bareket-astro.com EMERALD™ full-dome planetarium projectors is a unique product made by the Bareket observatory. The unit was designed and build in order to enable a plug-and-play operation... maximize the user's ease of use while giving the access to state-of-the-art equipment. The projector's HD-chip equipped with a high quelity fish-eye lens. Projecting high contrast, crisp & bright images.