Canon EF 70-300mm f4-5.6 L IS USM
Canon EF 70-300mm f4-5.6 L IS USM Specifications and Review
The Canon EF 70-300mm f/4-5.6L IS USM lens features two UD ultra-low dispersion glass elements for enhanced sharpness, L-series weather and dust sealing for shooting in harsh conditions, improved mechanical design, and streamlined ergonomics to help avoid inadvertent mode switch operation. The shapes of the lens elements and their coatings have been optimized to minimize ghosting and flare to produce high-contrast and high-resolution throughout the zoom range. A sophisticated floating system optical formula optimizes image quality at all distance settings and reduces minimum focusing distance by more than a foot. An updated optical image stabilization system compensates for camera shake up to an equivalent of four full shutter-speed steps, a full step improvement compared to earlier EF 70-300mm lenses. A new fluorine anti-smear coating is applied to the front and rear elements.
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| Model | Canon EF 70-300mm f4-5.6 L IS USM |
| Link to Current Pricing | EF 70-300mm f4-5.6 L IS USM |
Production Dates  |
2010 - current |
| Comments | This is a smaller and lighter alternative to the EF 100-400/4.5-5.6L IS USM. It also has a more recent IS system said to be good for up to 4 stops of stabilization. It is not supplied with a tripod mount, but the Tripod Ring Mount C is available as an accessory. |
| Field of View
(degrees) Horizontal,Vertical, Diagonal Full Frame - 36x24mm APS-C - 22.5x15mm |
Full Frame Wide : H - 28.8 : V - 19.5 : D - 34.4 Full Frame Tele : H - 6.9 : V - 4.6 : D - 8.3 APS-C Wide : H - 18.3 : V - 12.2 : D - 21.9 APS-C Tele : H - 4.3 : V - 2.9 : D - 5.2 |
| Full Frame FOV equivalent with lens on APS-C body |
112-480 mm (1.6x multiplier) |
| Full Frame FOV equivalent with lens on APS-H body |
91-390 mm (1.3x multiplier) |
| Image Stabilization |
up to 4 stops |
| IS Tripod Detection |
Automatic |
| Length | 143 mm (5.63 inches) |
| Weight | 1050 gm (35.5 oz.) |
| Maximum Diameter | 89 mm (3.5 inches) |
| Lens Mount Material |
Metal |
| Lens Color |
White |
| Filter Size | 67 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 | 1.2 m (3.94 ft) |
| Maximum Magnification | 0.21x |
| Canon TC compatibility |
Yes, Canon TCs can be used |
| Weathersealing |
Weathersealed |
| Lens Hood |
ET-738 |
| Tripod Mount |
Tripod Mount Ring C |
| E-TTL II Support |
Yes |
| Elements/Groups |
19/14 |
| Special Glass Elements |
Yes, 2 UD |
| Diaphragm Blades |
8 |
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