Missing letter effect were thoroughly investigated, but neither could completely explain the effect. A new model called the guidance-organization model was recently proposed to potentially explain the missing letter effect. It is a combination of the two models proposed by Healy, Koriat, and Greenberg. As Greenberg et al. explain: "The time spent processing high-frequency function words at the whole-word level is relatively short, thereby enabling the fast and early use of these words to build a tentative structural frame." Klein and Saint-Aubin proposed the attentional-disengagement model similarly includes aspects of the two earlier models but emphasizes the role of attention in reading and
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