Advantages
- True parfocal design
- Massive zoom ranges
- From pretty wide to very tight focal length
- Relatively fast apertures
- Pretty small and light considering the range
- Built-in rocker for slow and controlled zooms
What to be aware of
- Design to covers small sensor
- Still results in a relatively large and heavy rig overall
- For tight shot, a tripod is almost mandatory
- Handheld can be cumbersome (a shoulder rig works best)