This adapter converts Canon EF mount lenses to Micro Four Thirds and is equipped with a variable ND filter similar to the Sony FS5. It allows wireless control of aperture, variable ND filter, and focus. Compatible with cameras like the BMPCC 4K, Lumix GH6, and GH7. The filter quality is excellent, allowing the BMPCC 4K to be used like a 6K Pro. The retail price is $650. See below for more details, and there are usage examples on YouTube. 【Brand and Model】 The Aputure DEC V1 is the perfect camera accessory for professional video production. 【Accessories and Features】 Includes a wireless remote, transmitter, clamp, and ND filter lens adapter, allowing it to be used in various shooting scenarios. 【Durability and Portability】 The impact-resistant case is convenient to carry and can be used with confidence on the go. - Brand: Aputure - Included: Remote control, transmitter, clamp, ND lens filter, cables - Case Features: Impact-resistant, portable handle - Manual: Includes Aputure manual Thank you for viewing.