Sigma 72mm Adaptor for EM140 Macro Flash

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Removes reflections and increases contrast Water and Oil-repellent Protects the lens surface from dirt and scratches Optimised design for SIGMA lenses Incorporates Sigma's Super Multi-Layer Coating for ultra low-reflection Minimum focusing distance is 100 centimeter

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Adapter for Sigma EM-140 DG flash unit Can be mounted on lenses with 62mm filter threads Suitable for close-up photography (medical and scientific applications) Features 46ft ISO 100 guide number Compatible with all DSLR cameras