If you are willing and able to splash out I would go for a 300 2.8 with a 2x converter. Take a look at so of the bird shots Roy C is taking they are beautiful. Yes it means a bit more saving but saves you buying twice.
If you are willing and able to splash out I would go for a 300 2.8 with a 2x converter. Take a look at so of the bird shots Roy C is taking they are beautiful. Yes it means a bit more saving but saves you buying twice.