Leica OEM replacement eyecup for the BRF/HD/HD-R/R 10x42 and 15x56.
Fits only old body HD-R model (for example HD-R 10x42 40058)
It doesn't fit the newer HD-R type 402/403 (for example HD-R 10x42 40054)
Comes in bulk package as spare part without Leica box.