Sigma APO 300mm f2.8 EX DG HSM Lenses
Sigma APO 300mm f2.8 EX DG HSM Lens offers fast maximum aperture F2.8 telephoto lens optimized for digital SLR cameras.
The new multi layer lens coating reduces flare and ghost, which is a common problem with digital SLR cameras. ELD (Extraordinary Low Dispersion) glass elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast. It creates an excellent image quality with 35mm film SLR cameras as well as digital SLR cameras.
Minimizing Flare and Ghost
This new lens has a special coating to reduce internal reflection and minimize flare and ghost, which is a common problem with digital cameras and also creates an optimum color balance.
Excellent image quality with ELD glass elements
This lens uses two ELD glass elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast.
Rear Filter
A drop-in 46mm filter holder in the rear part of the lens barrel can be rotated to facilitate the use of filters, including a polarizing filter, in situ.
HSM (Hyper Sonic Motor)
The HSM models (Sigma, Nikon and Canon mounts) provide fast, silent AF function as well as full- time manual focus override.
Inner Focusing System
It also incorporates inner focusing system, which enables responsive and fast auto focus speed. The overall length of the lens does not change during focusing, ensuring convenient handling and ease of use.
Optional APO Tele-Converter EX
Simply adding an APO teleconverter (optional extra), means that this lens can be used as a 420mm F4 AF ultra-telephoto lens with a 1.4X EX teleconverter, or a 600mm F5.6 AF ultra-telephoto lens with a 2X teleconverter.
| Lens Construction | 11 Elements in 9 Groups |
| Angle of View | 8.2 degree |
| Number of Diaphragm Blades | 9pcs |
| Minimum Aperture | F32 |
| Minimum Focusing Distance | 250cm/98.4 in. |
| Maximum Magnification | 1:7.5 |
| Filter Size | 46mm (drop-in type) |
| Dimensions | Diameter 119mm X Length 214.5mm 4.7 in. X 8.4 in. |
| Weight | 2400gr/84.6oz |
| Corresponding AF Mounts | [APO 300mm F2.8 EX DG HSM] SIGMA, CANON, NIKON (D) [APO 300mm F2.8 EX DG] SONY/MINOLTA PENTAX |
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