Canon EF 100-300mm f4.5-5.6 USM
Canon EF 100-300mm f4.5-5.6 USM Specifications and Review
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| Model | Canon EF 100-300mm f4.5-5.6 USM |
| Link to Current Pricing | EF 100-300mm f4.5-5.6 USM |
Production Dates  |
1990 - ? |
| Comments | Decent optics, but slighly soft at 300mm. Fast, silent focusing via ring USM motor with FT-M. |
| Field of View
(degrees) Horizontal,Vertical, Diagonal Full Frame - 36x24mm APS-C - 22.5x15mm |
Full Frame Wide : H - 20.4 : V - 13.7 : D - 24.4 Full Frame Tele : H - 6.9 : V - 4.6 : D - 8.3 APS-C Wide : H - 12.8 : V - 8.6 : D - 15.4 APS-C Tele : H - 4.3 : V - 2.9 : D - 5.2 |
| Full Frame FOV equivalent with lens on APS-C body |
160-480 mm (1.6x multiplier) |
| Full Frame FOV equivalent with lens on APS-H body |
130-390 mm (1.3x multiplier) |
| Maximum Length | 173 mm (6.81 inches) |
| Minimum Length | 121 mm (4.76 inches) |
| Weight | 540 gm (18.26 oz.) |
| Maximum Diameter | 73 mm (2.87 inches) |
| Lens Mount Material |
Metal |
| Lens Color |
Black |
| Filter Size | 58 mm |
| Filter Rotation |
Filter does not rotate |
| Internal Zooming |
No (extends on zooming) |
| Focusing |
Internal Focusing (Length constant) |
| Focus Range Setting(s) |
No, always uses full focus range |
| AF motor |
USM |
| Distance Scale | Yes, has distance scale |
| Closest Focus | 1.5 m (4.92 ft) |
| Maximum Magnification | 0.26x |
| Canon TC compatibility |
No, Canon TCs can not be used |
| Weathersealing |
Not weathersealed |
| Lens Hood |
ET-65 |
| E-TTL II Support |
Yes |
| Elements/Groups |
13/10 |
| Diaphragm Blades |
8 |
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