A flexible zoom distinguished by its relatively lightweight and compact design, the EF 70-200mm f/4L USM is a Canon L-series optic spanning a useful portrait-length to medium telephoto range. The constant f/4 maximum aperture allows you to maintain a consistent exposure throughout the zoom range and also contributes to the sleeker form factor when compared to other 70-200mm lenses. In regard to its optical performance, this lens employs one fluorite element and two ultra-low dispersion elements, which work in concert to suppress chromatic aberrations and color fringing for notable clarity and color accuracy. A Super Spectra coating has also been applied to control flare and ghosting for improved contrast when working in harsh lighting. Complementing the optical attributes, this lens also features a ring-type USM and internal focusing mechanism for quick, quiet, and accurate autofocus performance, as well as full-time manual focus override.
Canon EF 70-200mm F/4L USM Specifications
| Focal Length |
70 to 200mm |
| Maximum Aperture |
f/4 |
| Minimum Aperture |
f/32 |
| Lens Mount |
Canon EF |
| Format Compatibility |
Full-Frame |
| Angle of View |
34° to 12° |
| Minimum Focus Distance |
3.94′ / 1.2 m |
| Maximum Magnification |
0.21x |
| Optical Design |
16 Elements in 13 Groups |
| Diaphragm Blades |
8, Rounded |
| Focus Type |
Autofocus |
| Image Stabilization |
None |
| Tripod Collar |
Removable and Rotating (Optional) |
| Filter Size |
67 mm (Front) |
| Dimensions (ø x L) |
2.99 x 6.77″ / 76 x 172 mm |
| Weight |
1.55 lb / 705 g |
Packaging Info
| Package Weight |
2.28 lb |
| Box Dimensions (LxWxH) |
10.15 x 5.45 x 5.3″ |
Brand
SONY
Sony began in the wake of World War II. In 1946,
Masaru Ibuka started an electronics shop in Shirokiya,
[23] a department store building in the
Nihonbashi area of
Tokyo. The company started with a capital of ¥190,000
[24] and a total of eight employees.
[25] On 7 May 1946, Ibuka was joined by
Akio Morita to establish a company called Tokyo Tsushin Kogyo (
東京通信工業,
Tōkyō Tsūshin Kōgyō) (Tokyo Telecommunications Engineering Corporation).
[26] The company built Japan's first
tape recorder, called the Type-G.
[26][27] In 1958, the company changed its name to "Sony".
[28] 
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