優點:
- Cheap
- Generally fast in focusing by having HSM
- Light and easy to carry
- Picture quality is not bad
缺點:
- Small aperture
- Bad body coating
- Image quality is not sharp enough when it is at its largest aperture
- Image quality near the edge at 400-500mm is also not sharp
- Same price for Sony version which does not come with OS function
評價:
- Good buy when you consider the price is just less than $5,000 for a second hand one
- I use it mostly for shooting birds and butterflies and it can fulfill my need under most of the circumstances
- Good for those who want to perform long range shooting without much budget