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A lens of epic proportions, the Canon EF-mount APO 200-500mm f/2.8 EX DG from Sigma is a no-holds-barred super telephoto zoom distinguished by its fast f/2.8 constant maximum aperture and apochromatic design. The optical layout utilizes a series of low dispersion glass elements to effectively eliminate chromatic aberrations throughout the zoom Range and a Super Multi-Layer Coating has also been applied to suppress flare and ghosting.
Beyond the unique optical system, this 200-500mm f/2.8 is also characterized by its distinctive green exterior, built-in carry handle, and overall large form factor. Due to the weight and size of this impressive lens, a BP-21 lithium-ion battery is included to power the autofocus and zooming mechanisms, and a built-in LCD is featured on the rear of the lens to highlight the focus position and focal length in use. The rear of the lens has a built-in tripod mount and the rear of the lens can be rotated to accommodate shooting in either the vertical or horizontal orientation. Additionally, rear drop-in 72mm filters can be used in conjunction with the included holder.
If 200-500mm isn't enough reach, the lens is also paired with a dedicated 2x teleconverter to result in an effective 400-1000mm f/5.6 design while still retaining autofocus operation.
Super telephoto zoom is designed for full-frame Canon EF-mount cameras, however can also be used with APS-C models where it will provide a 320-800mm equivalent focal length Range.
Truly impressive f/2.8 constant maximum aperture affords greater control over depth of field for isolating subject matter and also suits working in low-light conditions.
Apochromatic optical design utilizes two extra-low dispersion elements and one SLD element to significantly reduce color fringing and chromatic aberrations for increased clarity and color fidelity.
Super Multi-Layer Coating has been applied to individual elements to minimize flare and ghosting for improved contrast and color accuracy when working in strong lighting conditions.
Due to the large size of the lens, a BP-21 lithium-ion battery is used to aid in faster autofocus and zooming operation.
Integrated LCD panel is featured at the rear of the lens and displays focus distance and focal length.
Internal focusing and zooming design maintains the overall length of the lens during use and also promotes faster performance.
Nine-blade diaphragm contributes to a pleasing bokeh quality.
The lens barrel has an integrated tripod mount, which offers well-balanced support for photographing atop a tripod or monopod. Additionally, the rear of the lens barrel can be rotated, using an integrated knob, for switching between vertical and horizontal camera orientations.
Rear drop-in 72mm filters can be used and the included filter holder permits working with rotating filter types, such as polarizers and variable ND filters.
Included with the 200-500mm f/2.8 lens is a dedicated 2x teleconverter, which doubles the focal length and results in an effective 400-1000mm f/5.6 lens with autofocus support maintained.
| Focal Length | 200 to 500mm |
| Maximum Aperture | f/2.8 |
| Minimum Aperture | f/22 |
| Lens Mount | Canon EF |
| format Compatibility | Full-Frame |
| Angle of View | 12.3° to 5° |
| Minimum Focus Distance | 6.56' / 2 m |
| Maximum Magnification | 0.13x |
| Optical Design | 17 Elements in 13 Groups |
| Diaphragm Blades | 9 |
| Focus Type | Autofocus |
| Image Stabilization | None |
| Tripod Collar | Fixed |
| Filter Size | 72 mm (Drop-In) |
| Dimensions (ø x L) | 9.31 x 28.58" / 236.5 x 726 mm |
| Weight | 34.61 lb / 15.7 kg |