ARK2.47190.0

K2.47190.0

ARRI

This ARRI R2 138mm Filter Ring fits into the back of ARRI matte boxes with a rear opening of 143mm, and is for internal focus lenses only. It enables mounting a 138mm round filter, such as a polarizer, onto your matte box and allowing for rotation of the filter. The R2 ring acts as an anti-refection donut and supports lenses with a front outer diameter of 114mm such as Master Primes, Ultra Prime, and LDS Ultra Primes. The ring will allow you to use wide-angle video lenses as well, but only lenses with an internal focus design. It will accept optional R4 reduction rings, which allow you to use select lenses with a front outer diameter of less than 114mm.None For matte boxes with rear 143mm opening. Compatible with the MMB-1 top-loading matte boxNone Anti-reflection donut accepts 138mm round filtersNone This R2 ring works with internal focus lenses only, as it does not accommodate the expansion and contraction of external focus lensesNone For lenses with a 114mm front outer diameterNone Accepts R4 reduction rings for working with lenses that have a smaller front outer diameter than 114mm