Canon EF 20-35mm lens
Encyclopedia
The EF 20-35mm lens is a wide-angle
lens
made by Canon Inc.
, with an EF mount
. There are two models, an L-series
2.8L and a consumer-grade 3.5-4.5.
ultra-wide lenses:
Wide-angle lens
From a design perspective, a wide angle lens is one that projects a substantially larger image circle than would be typical for a standard design lens of the same focal length; this enables either large tilt & shift movements with a view camera, or lenses with wide fields of view.More informally,...
lens
Photographic lens
A camera lens is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.While in principle a simple convex lens will suffice, in...
made by Canon Inc.
Canon Inc.
is a Japanese multinational corporation that specialises in the manufacture of imaging and optical products, including cameras, camcorders, photocopiers, steppers and computer printers. Its headquarters are located in Ōta, Tokyo, Japan.-Origins:...
, with an EF mount
Canon EF lens mount
Introduced in 1987, the EF lens mount is the standard lens mount on the Canon EOS family of SLR film and digital cameras. EF stands for "Electro-Focus": automatic focusing on EF lenses is handled by a dedicated electric motor built into the lens...
. There are two models, an L-series
Canon l lens
An L lens is a line of SLR photography lenses made by Canon.L lenses are Canon's top-of-the-line lenses. The "L" officially stands for "Luxury", a reference to the lenses' high price and proclaimed build quality. The use of "ASPH" was common to notate aspherical elements throughout Canon's and...
2.8L and a consumer-grade 3.5-4.5.
Table
| Attribute | 2.8L | 3.5-4.5 |
|---|---|---|
| Key features | ||
| Image stabilizer |  |
|
| Environmental Sealing | |
|
| USM | |
 |
| L-series | |
|
| Diffractive Optics | |
|
| Technical data | ||
| Maximum aperture Aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture of an optical system is the opening that determines the cone angle of a bundle of rays that come to a focus in the image plane. The aperture determines how collimated the admitted rays are,... |
2.8 | 3.5-4.5 |
| Minimum aperture Aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture of an optical system is the opening that determines the cone angle of a bundle of rays that come to a focus in the image plane. The aperture determines how collimated the admitted rays are,... |
32 | 22-27 |
| Filter diameter | 72 mm | 77 mm |
| Horizontal viewing angle Angle of view In photography, angle of view describes the angular extent of a given scene that is imaged by a camera. It is used interchangeably with the more general term field of view.... |
||
| Vertical viewing angle Angle of view In photography, angle of view describes the angular extent of a given scene that is imaged by a camera. It is used interchangeably with the more general term field of view.... |
||
| Diagonal viewing angle Angle of view In photography, angle of view describes the angular extent of a given scene that is imaged by a camera. It is used interchangeably with the more general term field of view.... ; |
||
| Physical data | ||
| Weight | 570 g | 340 g |
| Max. Diameter x Length | 89 x 79.2 mm | 83.5 x 68.9 mm |
| Groups/elements | 12/15 | 11/12 |
| # of diaphragm Diaphragm (optics) In optics, a diaphragm is a thin opaque structure with an opening at its center. The role of the diaphragm is to stop the passage of light, except for the light passing through the aperture... blades |
8 | 5 |
| Closest focusing distance | 0.5 m | 0.34 m |
| Retail information | ||
| Release date | October 1989 | March 1993 |
| MSRP Suggested retail price The manufacturer's suggested retail price , list price or recommended retail price of a product is the price which the manufacturer recommends that the retailer sell the product. The intention was to help to standardise prices among locations... ¥ Japanese yen The is the official currency of Japan. It is the third most traded currency in the foreign exchange market after the United States dollar and the euro. It is also widely used as a reserve currency after the U.S. dollar, the euro and the pound sterling... |
¥190,700 | ¥77,000 |
Successor lenses
The 20-35mm lens was followed by two other L-seriesCanon l lens
An L lens is a line of SLR photography lenses made by Canon.L lenses are Canon's top-of-the-line lenses. The "L" officially stands for "Luxury", a reference to the lenses' high price and proclaimed build quality. The use of "ASPH" was common to notate aspherical elements throughout Canon's and...
ultra-wide lenses:
- EF 17-35mm 2.8LCanon EF 17-35mm lensThe Canon EF 17-35mm 2.8 lens was a wide-angle zoom lens made by Canon Inc.. It was replaced by the Canon EF 16-35mm lens.-External links:* *...
- EF 16-35mm 2.8L USMCanon EF 16-35mm lensThe EF 16-35mm 2.8L USM lens is a professional wide-angle lens made by Canon Inc. It replaced the EF 17-35mm 2.8L USM lens, which had itself replaced the EF 20-35 2.8L lens.The lens has an EF mount to work with the EOS line of cameras...
- The EF 17-40mm 4L USMCanon EF 17-40mm lensThe EF 17-40mm 4L USM lens is a wide-angle lens made by Canon Inc.The lens has an EF mount to work with the EOS line of cameras. Other than the front element, it is sealed against dust and water, and features a diaphragm which remains nearly circular from 4 to 8.-Audience:The 17-40mm is the least...
is another wide-angle lens that has a slightly larger focal range