Features: Adopts high quality metal material, lightweight, sturdy and durable 3 rings make 7 different combinations, which extends the lens focal length for close-up shot, and won't alter the optical quality to ensure there is no glare in image Provides images with better quality than close-up filter, a good substitution to expensive macro lenses for macro photography Electronic contacts keep the light metering and auto focusing function of camera Good accessory for photography lovers .
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