Tamron 17-50mm f/2.8 XR Di II LD IF Aspherical
XR: Extra Refractive-Index glass (allows smaller size)
Di II: Only works on 1.6x and DX cameras, won't work on 1.3x or 35mm or full-frame cameras.
LD: Low dispersion
IF: Internal focusing. Nothing moves, except the focus ring, as focused.
Aspherical: Specially curved lens elements.
Aperture range: f/2.8-32
Fully serviced
90 day warranty
XR: Extra Refractive-Index glass (allows smaller size)
Di II: Only works on 1.6x and DX cameras, won't work on 1.3x or 35mm or full-frame cameras.
LD: Low dispersion
IF: Internal focusing. Nothing moves, except the focus ring, as focused.
Aspherical: Specially curved lens elements.
Aperture range: f/2.8-32
Fully serviced
90 day warranty
XR: Extra Refractive-Index glass (allows smaller size)
Di II: Only works on 1.6x and DX cameras, won't work on 1.3x or 35mm or full-frame cameras.
LD: Low dispersion
IF: Internal focusing. Nothing moves, except the focus ring, as focused.
Aspherical: Specially curved lens elements.
Aperture range: f/2.8-32
Fully serviced
90 day warranty
