Tekniska specifikationer
Brännvidd400 mm
Maximal bländaref/2.8
Minsta bländaref/22
Objektivkonstruktion16 elements in 12 groups (Including 2 fluorite and 2 ED glass elements plus meniscus protective glass and Nano Crystal coat). 2 aspherical lens elements, and lens elements with a Nano Crystal Coat.
Bildvinkel6°10' (4°00' with DX-format camera)
Minsta fokusavstånd
2.6m from focal planeMaximal avbildningsskala1/6.9
Antal bländarlameller9 (rounded)