What is the Metabones Speed Booster?
21:52
ADAPTER vs SPEED BOOSTERS and Crop Factor EXPLAINED
9:55
How does a speed booster effect aperture and focal length?
10:02
A Look At The Metabones Speed Booster For Micro Four Thirds Cameras.
17:22
4 Ways to Keep FOCUS While Filming Moving Subjects
7:50
Metabones Speed Booster Hands-On Field Test
8:56
Lens Hoods - Why, When, and How to Use Them
19:49
Crop Factor TRUTH: Do you need Full Frame?
8:48