Xi (letter) Xi (letter) Xi (uppercase Ξ, lowercase ξ; ) is the 14th letter of the Greek alphabet. It is pronounced in Modern Greek, and generally or in English. In the system of Greek numerals, it has a value of 60. Xi was derived from the Phoenician letter samekh . Xi is not to be confused with the letter chi, which gave its form to the Latin letter X. Both in classical Ancient Greek and in Modern Greek, the letter Ξ represents the sound . In some archaic local variants of the Greek alphabet, this letter was missing. Instead, especially in the
Samsung NX series mount lenses cannot be mounted on NX camera with preserving infinity focus. As of February 2015, there are 15 Samsung lenses available. As of February 2015, the NX-mount is supported by at least one additional manufacturer: Samyang Optics, which only delivers lenses without autofocus / image stabilization. An official announcement from Samsung has never emerged, detailing the current status of the NX brand. It is widely known that Samsung pulled their camera business out of all major markets. This leads to speculation that NX has been abandoned by Samsung. No future development is anticipated. Samsung NX series The Samsung NX