Expert news, reviews and videos of the latest digital cameras, lenses, accessories, and phones. Canon EF 16-35mm f/4 L IS USM vs Canon EF 17-40mm f/4 L USM Jun 24 Few weeks ago I purchased a refurbished 17-40 f/4L lens from Canon Direct Store. EF 17-40mm f/4L USM Noise? so read our full review to get the low-down on EF 17-40mm f/4L USM EF17-40mm f/4L USM е лек, много широкоъгълен EF вариообектив на Canon. Той е особено добре подготвен за работа с цифровите SLR фотоапарати от серията EOS, които имат по-голям коефициент на Not much difference between the two lenses. In the extreme corners the 17-40 is sharper. 17-40 has noticeably less vignetting. 45mm f/6.3 vs 40mm f/4: When both wide open, the sharpness on the 15-45 is better. But stopping down the 17-40 to f/5.6 results in just as sharp images as the 15-45 wide open at 45mm f/6.3. 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 This Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens is a great choice for Canon SLR Cameras. With its 17-40mm focal length and f/4 maximum aperture, it's perfect for capturing beautiful, wide shots in all conditions. Plus, its aspherical lens elements and super UD glass element create superior optics no matter the situation, while its v1Lb. This item: 77mm Universal Snap-On Lens Cap for Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens + Cap Keeper + Microfiber Cleaning Cloth + LCD Screen Protectors $8.99 $ 8 . 99 Get it Nov 15 - 16 READ FULL REVIEW. Other Canon 17-40mm f/4L USM EF Reviews. SLR Gear. The Canon 17-40mm f/4 L is a high quality lens with a full-frame image circle that showed really exceptional performance on the EOS-20D we used to test it with. EF 17-40mm f/4L USM EF17-40mm f/4L USM е лек, много широкоъгълен EF вариообектив на Canon. Той е особено добре подготвен за работа с цифровите SLR фотоапарати от серията EOS, които имат по-голям коефициент на Not much difference between the two lenses. In the extreme corners the 17-40 is sharper. 17-40 has noticeably less vignetting. 45mm f/6.3 vs 40mm f/4: When both wide open, the sharpness on the 15-45 is better. But stopping down the 17-40 to f/5.6 results in just as sharp images as the 15-45 wide open at 45mm f/6.3. Expert news, reviews and videos of the latest digital cameras, lenses, accessories, and phones. Canon EF 16-35mm f/4 L IS USM vs Canon EF 17-40mm f/4 L USM Jun 24 The RF 70-200 f/2.8L is a drastically different lens to the EF 70-200 f/2.8L. It's more like the RF 24-240 in design. I don't like about the large girth and long focus throw of the RF 70-200. With the focus ring at the front of the lens, it's difficult to keep the camera and lens steady when you zoom in and out.

canon ef 17 40mm f 4l usm review