D600 Sports Lens
Very good response from gobiassumcoffee - all I will add is that in between the 70-200/f2.8 and the big guns (200-400/f4, 300/f2.8 and up) there lies the Sigma 120-300/f2.8. I've been using mine for more than 7 years and it has been great...and works dandy with my new D600.
|AF4_2483 Surfing the Serengeti by DaveInHouston|
from Hot Air Balloon view
|Peregrine Falcon by Psychic1|
from Best Wildlife Photo of the Week - 4