Today, I wanted to give you a quick overview of an additional follow focus from that is specifically tied to the Canon 40mm f/2.8 STM Pancake Lens – this is the only thing I’m aware of on the market that will work with the 40mm due to the thinness of the focus ring on the lens.

more on inexpensive follow focus units follow focus for Canon 40mm

DSLRsolutions demo video:

(cover photo credit: snap from the folks)