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Canon EF 100mm f2.8 Macro USM – Lens Specifications
By admin | May 24, 2007
This great macro lens is one of the sharpest lenses that Canon makes, is a great deal, and allows 1:1 magnification for super close-up photography. It is compatible with both full frame and APS-C sensor digital SLR, such as the 20D, 30D, and Rebel XTi.

Listed below are some of the specifications for this lens provided by Canon:
Canon EF 100mm f2.8 Macro USM
| Focal Length |
100mm |
| Apparent Focal Length on APS-C Camera |
160mm |
| Lens Construction (Groups/Elements) |
8/12 |
| No. of Diaphragm Blades |
8 |
| Minimum Aperture (f) |
32 |
| Closest Focusing Distance (ft./m) |
1.0/ 0.31 |
| Maximum Magnification (x) |
1.0 |
| Filter Diameter (mm) |
58 |
| Weight (g) |
600 |
| Max. Diameter/Length (in./mm) |
3.1/79 x 4.7/119 |
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