Mamiya 645 Prism Finder FP401 / Viewfinder. Part no.: FP401. Standard prism finder. For Mamiya M645 Super, 645 Pro and 645 Pro TL. Optic free of fungus, scratches and haze with few usual light small marks on the eyepiece glass and few specks of dust which will not have any influence to the image quality or viewing.
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