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EF 1740
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I got my EF 17-40mm f/4L USM at Adorama. I'd also get it at B&H or at Amazon, or get it used at eBay (How to Win at eBay). Name. Canon calls this the Canon Zoom Lens EF 17-40mm f/4 L USM. This means: EF: Electronic Focus. All modern Canon lenses do this. L: Expensive. USM: Ultra-Sonic Motor: It focuses silently. Focal Length: 17-40mm.
Product Description. Broaden your perspective with the Canon EF 17-40mm ultra-wide-angle zoom lens. Ideal for both film and digital SLR Cameras, the lens offers three aspherical lens elements in addition to a Super UD (ultra-low dispersion) glass element, creating superior optics in all conditions.
Spanning a versatile wide-angle range, the EF 17-40mm f/4L USM Lens is a Canon L-series zoom featuring a constant f/4 maximum aperture along with a sophisticated optical design and durable construction. One Super UD element is featured, along with three aspherical elements, which help to reduce both chromatic and spherical aberrations in order to realize high sharpness, clarity, and color ...
The 17-40mm is the least expensive of Canon's current wide-angle zooms for full-frame bodies, [2] with the EF 16-35mm f / 4L IS USM and EF 11-24mm f / 4L USM being more expensive, and the EF 16-35mm f / 2.8L USM being both faster and more expensive. Weighing 475 g and measuring 83.5 mm x 96.8 mm, it is a popular choice with many photographers because of its light and compact size. [3]
Because it is a very high quality but moderately-priced ultra wide angle zoom lens, the Canon EF 17-40mm f/4L USM Lens is one of Canon's best selling lenses.. The 17-40 f/4L fills out the bottom focal length range of Canon's f/4L zoom lens series.It is the lightest L lens currently made (1.1 lbs / 475g) and is the smallest L zoom lens currently produced (3.3" x 3.8" / 83.5mm x 96.8mm - DxL).
The Canon EF 17-40mm f/4L USM Lens is a staple for most photographers. I purchased mine about 10 years ago, and I am about to retire it. I am going to start off with the reason that I am retiring ...
The Canon EF 17-40mm f/4.0L was announced back in February 2003 as a lightweight ultra wide-angle zoom and has since become a bit of a classic lens for owners of Canon EOS digital and film SLRs. Its ultra-wide focal range delivers spectacular coverage on film or full-frame digital SLRs, although it's sufficiently wide to also be considered as ...
Canon EF 17-40mm f/4L USM lens review: Popular high-performance option Introduction Introduced in 2003 the EF 17-40 f/4L USM was one of the first of the lightweight pro-level L-series zooms from the firm adopting a constant f4 aperture. Not only does that make the lens relatively small and more portable compared with the f2.8 varients, but it ...
The Canon EF 17-40mm F4.0L USM has been on the market for many years now, but remains popular with Canon photographers using both full-frame and APS-C DSLRs (on which it covers an equivalent focal length range of 27-64mm). An extremely tough and compact lens, the 17-40mm does not get any larger when zooming or focusing, and the inclusion of ...
Pre-PMA 2003, 14:00 GMT: Canon has today announced a new 'L series' EF lens. The 17 - 40 mm F4.0 L is designed to be a high quality, lightweight lens for both film and D-SLR cameras. On the new EOS-10D this lens would produce a field of view range equivelant to a 27 - 64 mm zoom lens. For film SLR or EOS-1Ds users this lens provides ultra wide-angle zoom. Other features include a constant F4.0 ...