Mark's Sigma 70-210mm F1.4? FD lens
4-24-23 Bought with a Canon T70 camera. Black tarry goop under the focus ring makes it impossible to use it. See pics. Imagine cleaning it off with alcohol will remove all the (water based?) ink as well.
Mark's Sigma 70-210mm F1.4? FD lens4-24-23 Bought with a Canon T70 camera. Black tarry goop under the focus ring makes it impossible to use it. See pics. Imagine cleaning it off with alcohol will remove all the (water based?) ink as well.
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