Canon EF 300mm f4 L IS USM
Canon EF 300mm f4 L IS USM Specifications and Review
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| Model | Canon EF 300mm f4 L IS USM |
| Link to Current Pricing | EF 300mm f4 L IS USM |
Production Dates  |
1997 - current |
| Comments | An excellent and versatile telephoto lens at a reasonable price. The 300/4L IS works very well with the 1.4x TC to make a good 420/5.6 lens with IS and autofocus. Not bad with a 2x, but image quality does drop and you lose AF with all but the Series 1 EOS cameras. |
| Field of View
(degrees) Horizontal,Vertical, Diagonal Full Frame - 36x24mm APS-C - 22.5x15mm |
Full Frame : H - 6.9 : V - 4.6 : D - 8.3 APS-C : H - 4.3 : V - 2.9 : D - 5.2 |
| Full Frame FOV equivalent with lens on APS-C body |
480 mm (1.6x multiplier) |
| Full Frame FOV equivalent with lens on APS-H body |
390 mm (1.3x multiplier) |
| Image Stabilization |
up to 2 stops |
| Length | 221 mm (8.7 inches) |
| Weight | 1190 gm (40.24 oz.) |
| Maximum Diameter | 90 mm (3.54 inches) |
| Lens Mount Material |
Metal |
| Lens Color |
White |
| Filter Size | 77 mm |
| Filter Rotation |
Filter does not rotate |
| Focusing |
Internal Focusing (Length constant) |
| Focus Range Setting(s) |
Yes, has selectable focus range(s) |
| AF motor |
USM |
| Distance Scale | Yes, has distance scale |
| Closest Focus | 1.5 m (4.92 ft) |
| Maximum Magnification | 0.24x |
| EF12 magnification range |
0.30x - 0.04x |
| EF25 magnification range |
0.37x - 0.09x |
| Canon TC compatibility |
Yes, Canon TCs can be used |
| Weathersealing |
Not weathersealed |
| Lens Hood |
Built-in |
| Tripod Mount |
Tripod Mount Ring B |
| E-TTL II Support |
Yes |
| Elements/Groups |
15/11 |
| Special Glass Elements |
Yes, 2 UD elements |
| Diaphragm Blades |
8 |
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