Mercury Universal Ultrawide Helical Focus Unit

This is an ultrawide focus unit, for use with some wide angle lenses on our Universal cameras (medium format, 4x5, and 5x7). This is just the focus unit, if purchasing separately. It it included with some camera packages. To use with most lenses, you will also need an Ultrawide lens kit: https://mercuryworks.store/products/universal-lens-kit?variant=48158481285401