Thinktank Battery Holder 2 - Nickel Grey Category_Barndoors the adapter expands the diameter

the adapter expands the diameter of the projected image circle at the film plane

and loose dirt or gravel

as well as 4K 120p/FHD 240p high frame rate movie recording

With a scientifically-engineered carrying system

If you're just getting started

Thinktank Battery Holder 2 - Nickel Grey Category_Barndoors the adapter expands the diameterThinktank's Battery Holder 2 is a compact carrier for up to two standard DSLR or Mirrorless batteries. Fits easily in your pocket or attaches to your belt or bags. Key Features: Securely folds, fastens, and contains contents Protected with durable and weather treated double ripstop material Pocket sized Flattens when empty Loop for attachment