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Sigma 28-70/2.8 EX Aspherical DF Zoom Lens f/Nikon AFD USA Description
- New dual focus mechanism version.
- Focus ring doesn't rotate, yet still provides adequate torque for manual operation.
- Fast, constant maximum aperture of F2.8, covers most popular focal range.
- 2 aspherical elements help maintain high optical performance.
- World's smallest zoom lens in this category.
- Helical focusing to eliminate front lens barrel rotation during focusing, for added convenience when using polarizing filters.
- Lead and arsenic-free ecological glass.
- Filter size 77mm.
- Minimum aperture: 32.
- Minimum focus: 15.7", at all focal lengths.
- Macro rating 1:4.2.
- Dimensions: 3.3 x 4".
- Weighs 22.7oz.
- Includes 1 yr. mfr. warranty, case, perfect hood & caps.
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