10.7 x 9.4 x 6". Buy Canon EF 17-40mm f/4L USM Lens featuring EF-Mount Lens/Full-Frame Format, Aperture Range: f/4 to f/22, One Super Ultra-Low Dispersion Element, Three Aspherical Element, Super Spectra Coating, Ring-Type Ultrasonic Motor AF System, Weather-Sealed Construction, Rounded 7-Blade Diaphragm. Review Canon null. An L lens for about $450~ would be a pretty sweet deal. I have this lens, and on my RP it is surprisingly light and feels good (weight distribution and balance) on the camera, even with the adapter. SteveinLouisville's gear list: Canon EOS RP Canon EOS R7 Canon EF 17-40mm f/4.0L USM Canon EF 40mm f/2.8 STM Canon EF-S 24mm F2.8 STM +9 more. Call a photography expert: 1-770-333-4200. Description. The Canon EF 17-40mm f/4 L USM is a professional grade wide angle zoom lens. With the ability to go from normal to ultra wide angle focal lengths without changing lenses it's a great tool for for architectural, landscape, & street photographers. This lens features a plastic body, meaning Discuss our review of the Canon EF 17-40 f/4L here. Log in. Register. Search. Search titles only By: Search Advanced search … Search titles only By: The Canon EF 17-40mm f/4L USM lens is very handy for landscape and other form of wide angle photography. On a digital body with 1.6x crop factor, it has an effective focal length of 27.2mm at the wide end. Hence, though much more expensive, the 17-40mm lens can serve as an option against 28-80mm kit lens for those who need a wide angle alternative. Load Comparison Images. 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 . ff98LEC. Canon's 17mm f/4 Tilt-Shift as a well regarded sharp wide-angle lens would, of course, be ideal at that focal range, but we can't all afford that one either. The 40mm f/2.8 pancake lens would make an incredible accessory at that range being so light, small and quite sharp wide-open at f/2.8 (and may still, even owning the 17-40). I just bought a new 17-40mm f/4 L. I thought Canon's L lenses are dust and drip-proof. However, to my disappointment the instruction manual says (in page ENG-1): "Since the front element of this lens moves when focusing (zooming), you need to attach a Canon PROTECT filter sold separately for adequate dust- and water-resistant performance. Lens Reviews / Canon Lenses i Lab tested. Lens Review; Specifications; Lens Review Specifications Lens Specifications; Name: Canon EF 17-40mm f/4L USM: Image Circle: 35mm: Type: Wide Zoom In the f/stop range commonly used for landscape and architectural photography, the L-prime offers no advantage over using an excellent L-zoom such as the EF 17-40mm f/4L. Corner sharpnes of the 17-40mm f/4 L is better than the 24mm f/1.4 L at f/8 (see below). The 16-35 f/4L IS design is quite a bit more advanced when compared to the 17-40. Center sharpness will be similar, but the edges, especially when shooting wide open, will be far, far superior. It is more resistant to flare, the IS is solid and it has much better chromatic aberration correction. B&H Deal Zone: Manfrotto Pro Light Reloader Air-55 Carry-On Camera Roller Bag – Only $249.88 (Save $250.00), Impact PowerSync Kit. More Canon & Sony News. View the image quality delivered by the Canon EF 17-40mm f/4L USM Lens using ISO 12233 Resolution Chart lab test results. Compare the image quality of this lens with other lenses.

canon ef 17 40mm f 4l review