I had my Vivitar Series One 24-48 serviced at KEH. The zoom was sticking badly and would lock in position. They did a wonderful job with it and it works great now. As I remember I paid the $115 for the job but I am very happy with it.
Photrio.com contains affiliate links to products. We may receive a commission for purchases made through these links. To read our full affiliate disclosure statement please click Here.