1. Super ED and ED lens elements for low refractive index and reduced dispersion
2. Dual Mode Vibration Reduction
3. SWM (Silent Wave Motor) for quiet, high-speed auto-focus
4. Exclusive M/A option for instant manual focus override during AF
5. AF Switch enables easy selection of settings: AF-L, AF-ON, Focus Preset
6. Meniscus protective glass
7. Rubber mount gasket, tough magnesium construction
8. Focuses down to just 1.9m
9. Environmentally friendly glass
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