Abstract
Usability are essential factors to consider when evaluating and improving the operation and interface of a system in order to enhance the interaction between users and system. Based on considering the perspective of both users and evaluators. The aim of this paper is to improve the interaction between the user and the Fujifilm instax mini 8 camera and make it more usable by making the process of dealing with the camera, taking pictures and printing them simpler and easier, by modifying the user interface and evaluating the interaction between the user and the camera interface. So, we used two methods one of them by user based on Laboratory Study and Questionnaire and the other was from expert based on cognitive walkthrough where the expert evaluates the ability of users to accomplish the right effect by asking four questions. The usability problems were specified by the evaluators and they have given some recommendations that might improve the user interface and make the process simpler and easier.