the second focus hold button is positioned exactly where you expect it for easy access

features powerful assistive tools that make writing easier than ever

round bokeh so that out-of-focus areas are not distracting

consisting of two AF drive units precisely synchronized to deliver fast

DJI Osmo Action 3 / Action 4 Lens Protective Cover (CP.OS.00000232.01) 1078 the second focus hold buttonMade of high strength Gorilla Glass, which is wear resistant and scratch resistant. AF hydrophobic coating for oil resistance and easy cleaning. Product Specifications: Dimensions: 32. 432. 46. 9 mm (LWH) Weight: 7. 8 g Compatibility: DJI Osmo Action 3 In The Box: Osmo Action 3 Lens Protective Cover