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 Introduction. The Canon EF 17-40mm f/4 USM L, released in may 2003, is the latest of Canon's full frame ultra-wide zoom lenses. On APS-C DSLRs its field of view resembles a classic ~27-64mm standard zoom on full frame cameras so it is well suited for both formats but with different scopes. Thanks to its relatively affordable price combined with 『EF17-40mm F4L USM』を中古で購入して、使ってみてのレビューです。広角ズームレンズとして、475gと軽く、40mmまであり、フィルター径が77mの大口径で高画質な”L”レンズです。軽いことと、40mmまである使い勝手の良さで、買ってから、毎回持って撮影に行くレンズとなりました。安くて、軽い [LOTW] Canon EF 17-40mm f/4L taken with Canon 5D Mark IV @ f/16, ISO 100, 17mm- The Swift River, Albany, NH Post reviews, articles, and videos of products Canon 'L' lenses have a reputation for extremely high picture quality - but what about older designs? The Canon 17-40mm f/4 'L' is clearly a great ultra wide The EF 17-40mm f/4L USM lens is a member of a suite of Canon zoom lenses that retain a constant f4 maximum aperture throughout the zoom range. Designed for use on 35mm SLR cameras, this ultra-wide zoom is ideal for capturing dramatic landscape shots and taking portraits of large groups of people. It will also prove useful for shooting in cramped interiors. [ia] Canon's "prosumer" zoom lens is (was) the Canon EF 17-40mm f/4 USM L which dates back to the film era. On paper it's certainly interesting regarding its comparatively long range and, maybe even more so, a fairly attractive pricing. To learn more about this lens, check out our blog review! Full rules of LOTW HERE. This is the cheapest red ring you can buy. It has a good reputation for a generalist lens. It's wide without breaking your budget, it has since been passed in sharpness by it's newer sexier younger cousins the 16-35s (which we will feature another week), but with so many copies in circulation (including my own copy purchased recently for $250 with a chipped filter Compare Canon EF 17-40mm f 4L USM Lens vs Canon EF-S 17-55mm f 2.8 IS USM Lens vs Canon EF-S 18-55mm f 4-5.6 IS STM Lens vs Canon EF-S 15-85mm f 3.5-5.6 IS USM Lens Press ‎ ↵ Enter ‎ for Accessibility for blind people who use screen readers U6Eq5I.