This attachment goes onto the top of the BMPCC 4K camera cage to allow it to be compatible with the BMPCC 6K. This separate piece is only needed for clients who purchased their cage prior to August 23, 2019, which we are offering at no extra cost (aside from shipping and handling).** It is included in BMPCC 4K/6K kits that have been manufactured from August 23, 2019 and on.
** Shipping and handling is a flat rate of $8 in the US (exc. AK/HI) and $20 internationally for this item.