The Gossen Repro/Copy Atatchment allows the meter to obtain exposure value of flat copy such as paintings, documents and photographic prints. The illumination on the copy board can be measured for evenness across various points of the material to be copied. This attachment can also be reversed for measurements of light transmitted through slides or other translucent material being copied. Fits the Luna-Pro S, Ultra-Pro, Luna-Pro SBC, and Luna-Pro F