![]() Note: I have owned multiple copies of this lens and have been very pleased with all of them. When the wide open aperture becomes f/5.6 at 259mm, center of the frame sharpness becomes good and is very sharp wide open at 400mm.įull frame corners are sharp wide open at all focal lengths with the long end suffering a bit from CA.Ĭonsidering the focal length range of this lens, the sharpness delivered is simply excellent. The Canon EF 100-400mm f/4.5-5.6L IS USM Lens is slightly soft in the center wide open at the shorter focal lengths, but gets very sharp when stopped down one stop. Starting at f/4.5, the 100-400 goes to f/5 around 130mm and finally to f/5.6 at approximately 250mm.Ī 100mm f4.5 lens is slow, but a 400mm f5.6 is not too bad (relatively speaking).Īctually, to buy a faster 400mm lens will cost you a significant additional amount of money. Some may consider the 100-400 L to be a slow (narrow max aperture) lens. You can estimate IS on this lens to help with 2 stops or so of shutter speed handholdability. Turning off IS when using a tripod will save a little battery life and cause the IS mechanism to be locked in a centered position. While the 100-400 L's IS system will detect a tripod and automatically disable itself, The image stabilizer helps significantly when handholding in low light - that is as long as you have a still subject. One of my favorite lens features found on the 100-400 is image stabilization. Some photographers prefer the push/pull design. ![]() Set the friction too tight and zooming becomes difficult.Ī big benefit to the push/pull design is that your supporting hand remains centered under the lens at all times. Set the zoom friction too light and the lens extends by itself when pointed downward - fast and hard if set really loose. The ring also gets in the way of the manual focus ring - when making a manual focus adjustment, I often inadvertently change the zoom friction ring as well. That is a nice feature, but I find myself constantly adjusting the tension to get it just right for the moment. There is a ring on the back of the manual focus ring that adjusts the tension on the zoom part of the lens. While it works smoothly, it took me some time to get used to it. The push/pull zoom mechanism is possibly the most noticeable physical feature of this lens. Weighing 3 lb (1,380g) and measuring 3.6" x 7.4" (92.0 x 189.0) (DxL retracted), the 100-400 is solidly built and feels like it. To say that the Canon EF 100-400mm f/4.5-5.6L IS USM Lens is a member of the Canon L Series quickly says a lot about this lens. Most popular serious wildlife and sports lenses Canon sells. This long focal length and focal length range combine with very good image and build quality to make the 100-400 L one of the The Canon EF 100-400mm f/4.5-5.6L IS USM Lens has an excellent focal length range that includes the longest focal length found in a Canon zoom lens - 400mm. Note: The Canon EF 100-400mm f/4.5-5.6L IS USM Lens has been replaced by the Canon EF 100-400mm f/4.5-5.6L IS II USM Lens. Canon EOS R6 Mark II and RF 135mm F1.8 L IS Lens Capture Peak BMX Stunt Action.Canon Releases DPP 4.17.0, EOS Utility 3.16.0, Picture Style Editor 1.28.0, Adding Support for EOS R6 Mark II.Canon RF 135mm F1.8 L IS and EF 135mm f/2L Lens MTF Chart Comparison.Canon EOS Webcam Utility Subscription Based Pro Version Announced.PortKeys Launches PT6 4K HDMI Touchscreen Monitor.Sony Alpha 7 IV Firmware Update Version 1.11 Released. ![]() In Today's B&H Deal Zone: LCD Screen Protectors – Nearly Half Off, Also Save Big on Zeiss, Seagate, Sachtler, Nanuk, and More. ![]()
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