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The EF 100-300mm refers to four telephoto zoom lenses produced by Canon. They are of the EF lens mount that is compatible with the EOS line of cameras.
The three versions are:
- f/5.6
- f/5.6L
- f/ f/4.5-5.6 USM
- f/ f/4.5-5.6L IS USM
Lenses
| Attribute | f/5.6 | f/5.6L | f/4.5-5.6 USM | f/ f/4.5-5.6L IS USM |
|---|---|---|---|---|
| Image stabilizer |  No |
 Yes |
||
| Ring USM | No |
Yes |
||
| L-series | No |
Yes |
No |
Yes |
| Diffractive Optics | No |
|||
| Macro | Yes |
|||
| Short back focus | No |
|||
| Maximum aperture | f/5.6 | f/4.5 | ||
| Minimum aperture | f/32 | |||
| Weight | 685g | 695g | 540g | 1,360g |
| Max. Diameter x Length | 75 mm x 166.8 | 75 mm x 166.6 mm | 73 mm x 121.5 mm | 91 mm x 189 mm |
| Filter diameter | 58 mm | 77 mm | ||
| Horizontal viewing angle | 20°'- 6° 50' | |||
| Vertical viewing angle | 14°'- 4° 35'° | |||
| Diagonal viewing angle; | 24°'- 8°15' | |||
| Groups/elements | 9/15 | 10/15 | 10/13 | 14/17 |
| # of diaphragm blades | 8 | |||
| Closest focusing distance | 2 m | 1.5 m | 1.8 m | |
| Release date | March 1987 | June 1987 | June 1990 | November 1998 |
References
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Wikipedia content modification information:
- This page was last modified on 14 December 2008, at 04:09.
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