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Continue to Chat?? ?? 7Cm / Kodak Portra 160 Negativ Farbfilm 4x5 Inch 10 2x12 7cm 10 Blatt : You can get a pretty accurate answer by multiplying centimeters by four, then dividing by ten. - https://syamsiarsemanaa.blogspot.com/2021/04/7cm-kodak-portra-160-negativ-farbfilm.html