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Sigma 300mm f2.8 EX DG HSM
Fast maximum aperture telephoto lens optimized for digital SLR cameras. This telephoto lens has a fast maximum aperture and also features a new super multi-layer coating, which optimizes the characteristics of digital SLR cameras.
ELD Glass
A versatile, fast-aperture telephoto lens for both digital and film SLR cameras. Two ELD glass elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast.
Multi-Layer Coating
The new multi-layer lens coating reduces flare and ghosting, a common problem with digital SLR cameras.
Internal Focusing
The Internal Focus system ensures the overall length of the lens does not change during focusing, ensuring convenient handling and ease of use.
HSM System
The HSM (Hyper Sonic Motor) models provide fast, silent AF function as well as full-time manual focus override.
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 polarising filter, in situ.
Optional EX Teleconverters
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.
Specifications
| Lens Construction | 11 Elements in 9 Groups | |
| Angle of View | 8.2 degrees | |
| Number of Diaphragm Blades | 9 | |
| Minimum Aperture | F32 | |
| Minimum Focusing Distance | 250cm | |
| Maximum Magnification | 1:7.5 | |
| Filter Size | 46mm (drop-in type) | |
| Dimensions | Diameter 119mm X Length 214.5mm | |
| Weight | 2400g |
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