Tamron lens, meaning of their abbreviations and acronyms in detail.

Tamron lenses are often compatible with:

Canon.
Nikon.
Minolta/Sony.
Pentax.

Tamron lens marking abbreviation and acronyms:

AF: Auto-Focus.
XR: Extra Refractive Index glass (smaller and lighter lenses).
LD: Low Dispersion (reduce the chromatic aberrations).
XLD: Extra Low Dispersion (reduce the chromatic aberrations.. more).
ASL: ASphericaL (better convergence of the focal plan).
LAH: LD + ASL (hybrid lens element).
AD: Anomalous Dispersion (better control of the chromatic aberrations).
ADH: AD + ASL (hybrid lens element).
HID: High Index, High Dispersion Glass (control of the lateral chromatic aberrations).
VC: Vibration Compensation.
USD: Ultrasonic Silent Drive.
PZD: PieZo Drive.
SP: Super Performance (professional lens).
IF: Internal Focusing System.
Di: Digitally Integrated (for Full-Frame camera).
Di-II: Digitally Integrated (for APS-C camera).
ZL: Zoom Lock.
A/M: Auto-focus/Manual-focus.
FEC: Filter Effect Control (control the filter orientation with the hood attached).
1:1 Macro: 1:1 Magnification.

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