I have a small 35-70 zoom with a constant f4 light across the range. I attach a ring to attachSince I do not have a front cover, I have installed a filter for protection. The lens is clean and efficient 100% pure optics with a bit of barely visible pollen that is in all lenses. This lens is known for its focussing and focussing range. Use with a digital body, we get a beautiful picture.... Don't miss the opportunity. See my other auctions 👍
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