TOKINA AT-X 24-70mm f/2.8 PRO FX
Nuevo Zoom estandart f/2.8 de Tokina. El zoom 24-70 más nitido.
Tokina AT-X 24-70mm f/2.8 PRO FX (IF) SD.
AT-X: Advanced Technology-seX.
PRO: Push-pull mechanical clutch mechanism on the focus ring to swap between auto and manual focus.
FX: Covers all 35mm-based "full frame" and smaller digital formats.
IF: Internal focus; nothing moves externally as focussed.
SD: Super-low Dispersion glass for less secondary chromatic aberration.
Tokina 24-70mm f/2.8 Construction.
15 elements in 11 groups.
Three glass molded aspherical elements.
Three ED (a.k.a. UD or SD) glass elements.
Internal focus: nothing moves externally as autofocused.
Pumper zoom, grows as zoomed towards 70mm.