Sea & Sea Focus Gear for Canon EF 17-40mm f4 L Free Shipping on Orders Over $200 to the US and Canada SKU: SS-31170 Sea & Sea Focus Gear for Canon EF 17-40mm f4 L Part #: SS-31170 Product Overview: Use this Focus Gear from Sea & Sea to control manual focusing with your Canon EF 17-40mm f/4L USM lens in a... $229.95 Add to Cart
