Lock rings are available in black and are adjusted to fit new B4 lenses from Sony that have tight tolerance. You can adjust the glass by turning it by around 3mm, more than enough to cover all the back focus errors and get perfect parafocal on 2/3 ENG B4 lenses. Due to small quantity custom makes, there could be some cosmetic issues but that will not affect functionality. Please visit the site for several unique other adapters. You can return the item with in 2 weeks.
Additional Terms and Conditions and Liabilites. IN NO EVENT RAREADAPTERS WILL BE LIABLE FOR ANY LOSS OF DATA, LOSS OF PROFIT OR ANY OTHER LOSS OR DAMAGE SUFFERED BY YOU OR ANY THIRD PARTY, WHETHER SUCH DAMAGES ARE DIRECT, INDIRECT, CONSEQUENTIAL, SPECIAL OR INCIDENTAL AND ARISING UNDER ANY OTHER USAGE OF THE PRODUCT. The item "2/3 B4 Mount Lens to PL (Arriflex, RED) adapter wth 2X glass built in, adjustabl" is in sale since Thursday, October 11, 2018.This item is in the category "Cameras & Photo\Lenses & Filters\Lens Adapters, Mounts & Tubes". The seller is "ramir73" and is located in Sunnyvale, California. This item can be shipped worldwide.