The "SPIE Astronomical Telescopes + Instrumentation" is recognized globally as the leading trade fair for astronomical instruments and technologies. Organized by SPIE, the International Society for Optics and Photonics, this event serves as a showcase for the latest advances in telescopes, observatories, and astronomy. The name "SPIE" represents the society's commitment to the optical sciences and their application in advancing science and technology. The fair takes place biennially at Pacifico Yokohama, Japan, attracting professionals such as astronomers, engineers, and industry experts. It serves as a central meeting point for professionals from the astronomical and optical industries. The main themes include ground-based and space telescopes, the latest instrumentation, and supporting technologies. Products and services from the entire spectrum of astronomy are presented, including optical, infrared, and millimeter-wave telescopes, as well as instruments for UV and gamma rays. Adaptive optics systems, software solutions, and cyberinfrastructure are also important components of the fair. Yokohama as the venue emphasizes Japan's significance in astronomy and space research and offers excellent infrastructure for international events. Highlights of the fair include plenary sessions and keynote speeches by leading experts, complemented by workshops, presentations, and extensive networking opportunities. Exhibitors and visitors come from various sectors of astronomy and aerospace technology, including numerous academic institutions and research facilities. The fair attracts a high-caliber audience, including telescope architects, operators, project managers, and system engineers. In conclusion, with its modern architecture and technical facilities, Pacifico Yokohama provides the ideal conditions for this significant event. Its accessibility via local transport and international flight connections makes it an attractive venue. The fair offers a unique opportunity to delve deep into the world of astronomical technologies and to explore the cultural and technical highlights of Yokohama. The SPIE Astronomical Telescopes + Instrumentation will take place on 6 days from Sunday, 05. July to Friday, 10. July 2026 in Yokohama.