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| Product | Canon EF 70-200mm f4 IS USM L | Sigma APO 70-200mm F2.8 EX DG OS HSM | Nikon 50mm f/1.4G SIC SW Prime Nikkor Lens | Tamron AF 75-300mm f/4.0-5.6 LD for Canon Digital SLR Cameras |
| Price | $1,159.95 to $1,349.00 | $1,249.00 to $2,321.02 | $79.99 to $485.99 | $164.00 to $170.53 |
| CNET editors' rating | 4 stars | 3.5 stars | Info unavailable | Info unavailable |
| Average user rating | 3.5 stars | 0 stars | 4 stars | 0 stars |
| Release date | November 15, 2006 | Info unavailable | Info unavailable | Info unavailable |
| Bottom line | The Canon EF 70-200mm f4 IS USM L lens is a professional grade 70-200mm lens without the size and heft, as well as price, as found in f2.8 versions. | Versatile, sturdy, and built with high-quality optics, the Sigma APO 70-200mm F2.8 EX DG OS HSM offers a good value, although it's not exactly cheap. | Info unavailable | Info unavailable |
| Product Description | Canon EF Telephoto zoom lens - 70 mm - 200 mm | Sigma EX Telephoto zoom lens - 70 mm - 200 mm | Nikon Nikkor Lens - 50 mm | Tamron Telephoto zoom lens - 75 mm - 300 mm |
| Packaged Quantity | 1 | 1 | 1 | 1 |
| Lens System | Telephoto zoom lens | Telephoto zoom lens | Lens | Telephoto zoom lens |
| Intended For | Digital SLR | Digital SLR 35mm SLR | 35mm SLR Digital SLR | Digital SLR 35mm SLR |
| Mounting Type | Canon EF | Info unavailable | Nikon F | Canon EF |
| Lens Aperture | F/4.0 | F/2.8 | F/1.4 | F/4.0-5.6 |
| Focal Length | 70 mm - 200 mm | 70 mm - 200 mm | 50 mm | 75 mm - 300 mm |
| Optical Zoom | 2.9 x | 2.9 x | Info unavailable | 4 x |
| Min Focus Range | 4 ft | 4.6 ft | 17.7 in | 5 ft |
| Focus Adjustment | Manual Automatic | Manual Automatic | Manual Automatic | Manual Automatic |
| Lens Construction | 13 group(s) / 16 element(s) | 17 group(s) / 22 element(s) | 7 group(s) / 8 element(s) | 9 group(s) / 13 element(s) |
| Special Functions | Tele Zoom | Tele Zoom | Info unavailable | Tele Zoom |
| Filter Size | 67 mm | 77 mm | Info unavailable | 62 mm |
| Length | 7 in | 7.8 in | 2 in | 5 in |
| Weight | 1.5 lbs | 3.2 lbs | 8.1 oz | 15.3 oz |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | Prices from 3 stores |
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