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The number of photographer continues to rise due to coming into wide use of DSLR camera. However, the equipment management of DSLR camera has being neglected by users. Its body is especially sensitive to temperature change and external humidity. After outdoor photographing, the DSLR camera have to be kept proper humidity to maintain its lifespan and the quality of photography. PIETRA is a lens-shaped device to control humidity and temperature only for the DSLR. The usage of PIETRA such as combination with body, the control of the humidity and temperature is same with the method of general lens.
Seoul, South Korea
Ji ho Jung