Featuring the latest 3-stop Image Stabilizer for outstanding camera shake reduction, the EF 70-300mm f4-5.6 IS USM zoom lens also features super responsive autofocus. Replacing the popular EF 75-300mm f4-5.6 IS USM, the world’s first interchangeable lens with Image Stabilizer (IS), the lens is expected to appeal to serious amateur nature and sports photographers looking to achieve outstanding results while shooting hand held.
Image Stabilizer
IS dramatically reduces image blur caused by camera shake. The EF 70-300mm f4-5.6 IS USM features Canon’s latest 3-stop IS, a one-stop improvement over its predecessor. Gyro sensors detect unwanted vibrations, triggering the corresponding movement of a correcting lens group perpendicular to the optical axis. The EF 70-300mm f4-5.6 IS USM provides 2-mode IS for shooting immobile subjects.
Superb autofocus
The micro USM motor found in the EF 70-300mm f4-5.6 IS USM employs ultra-sonic frequency vibrations to drive auto focus with unrivalled speed and near-silent operation.
Pleasing defocused background
The EF 70-300mm f4-5.6 IS USM employs an electro-magnetic diaphragm (EMD) with a circular aperture.
Image quality
By optimizing Super Spectra lens coatings and lens element shaping, Canon’s engineers have been effective in suppressing flare and ghosting–more prone to occur with digital cameras due to reflection off the image sensor. By increasing light absorption, coatings reduce reflections off lens element surfaces to deliver crisp, undistorted images with natural color balance.
Focal length translates to 112-480mm equivalent in 35mm film format when fitted to EOS 20D and EOS 350D cameras.
When used in conjunction with Canon’s range of EX Speedlite flash units, the lens passes distance information to the flash algorithm for markedly improved flash exposure metering.
Accessories for the EF 70-300mm f4-5.6 IS USM include the lens hood ET-65B and the lens pouch LP1222.
Manufacturer Description
Further development of Canon’s flagship Speedlite has led to the production of the 580 EX II. This is the premier Speedlite for all photographers, including professionals. Newly designed to match with the EOS-1D Mark III in terms of improved dust- and water-resistance, body strength, and the ability to control flash functions and settings from the camera menu (EOS-1D Mark III only). Other features include improved communication reliability through its direct contacts, and recycling time is both 20% shorter than the 580EX and is completely inaudible.
Speedlite 580EX II Flash Highlights
- Approximately 20 percent faster recycling time compared to 580EX
- Superior build quality, including a metal foot for higher rigidity
- Max Guide No. 58 at 105mm setting (GN 190, feet)
- Auto conversion of flash coverage with compatible digital SLR cameras
- White Balance info communicated instantly to compatible digital SLR cameras
- Full swivel, 180 degrees in either direction
- AF-assist beam, compatible with all AiAF points on every EOS SLR
- Dust- and water- resistance to match the EOS-1D Mark III
Product Description
Further development of Canon’s flagship Speedlite has led to the production of the 580 EX II. This is the premier Speedlite for all photographers, including professionals. Newly designed to match with the EOS-1D Mark III in terms of improved dust- and water-resistance, body strength, and the ability to control flash functions and settings from the camera menu (EOS-1D Mark III only). Other features include improved communication reliability through its direct contacts, and recycling time is both 20% shorter than the 580EX and is completely inaudible. Optional External power supply - compatible with Dust- and water- Resistant External Power Pack, Canon battery pack CP-E3 and Transistor Pack E Unit Dimensions - 3.0 x 5.3 x 4.5 inches /76 x 134 x 114mm; Weight - 13.2 oz./375g, without batteries (4 AA alkaline batteries add 3.5 oz./100g).
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