Maker | Canon |
---|---|
Technical data | |
Type | Zoom |
Focus drive | Ultrasonic motor |
Focal length | 24-85mm |
Crop factor | 1.0 |
Aperture (max/min) | f/3.5–f/32 |
Close focus distance | .5m |
Max. magnification | 0.16 |
Diaphragm blades | 6 |
Construction | 15 elements in 12 groups |
Features | |
Short back focus | |
Lens-based stabilization | |
Macro capable | |
Application | Standard Zoom |
Physical | |
Max. length | 69.5 mm |
Diameter | 73 mm |
Weight | 380 g |
Filter diameter | 67mm |
Accessories | |
Lens hood | EW-73II |
History | |
Introduction | September 1996 |
The EF 24–85mm f/3.5–4.5 is an EF mount wide-to-normal zoom lens. It was introduced by Canon in 1996. The lens was originally sold with the Canon EOS IX, an APS film SLR, [1] although it was fully compatible with Canon's 35mm film SLRs. The lens was available in two colour schemes; silver when sold with the EOS IX, and black when sold separately. [2] The lens remained in production during Canon's shift to digital SLRs and was often included in press images of the Canon EOS D30. [3] [4] As of June 2010 it is no longer listed on Canon's North American product page. [5]
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. Mechanically, it is a bayonet-style mount, and all communication between camera and lens takes place through electrical contacts; there are no mechanical levers or plungers.
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Advanced Photo System type-C (APS-C) is an image sensor format approximately equivalent in size to the Advanced Photo System film negative in its C ("Classic") format, of 25.1×16.7 mm, an aspect ratio of 3:2.
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