This is a Konica AR-mount Vivitar 70-150mm 2x Matched Multiplier, It is compatible with Konica AR-mount and has a fixed/prime focus type. The lens has a maximum aperture of f/1 and can be used with a range of cameras in the market.

This lens was manufactured in Japan in the 2000s and is still in great working condition. With its unique features, it's perfect for photography enthusiasts who love experimenting with different lenses.

Does both the k and AR mounts…. Very nice condition.