670g. 805g. Nous préférons un poids plus léger car l'appareil sera plus facile à porter. Un poids peu élevé est aussi un avantage pour l'électroménager et d'autres produits car ils seront beaucoup plus faciles à transporter. L’élément frontal ne tourne pas. Canon EF 24-105mm F/4L IS USM. Canon EF 24-70mm F/2.8L II USM.

有园形光圈叶片. Canon EF 24-70mm F/4L IS USM. 类似於光圈叶片的数量，园形刀片影响光线通至感光器上的方式。. 园形刀片，往往只有更昂贵的镜头用上，改善失焦区域的外观。. 这可以让您的照片看起来更好、更柔和的背景虚化。. 光圈叶片. 9. 光圈控制有多少光线
EF 24-105mm f/4L IS II USM @24mm f/4.5 1/2000 ISO6400. 光圈小了一级，完全没有问题。一般拳击赛场光线充足，不会像上文所说需要很高的感光度。另外为了对焦更容易，即使是2.8镜头我也要缩到4或者4.5换取更厚的景深。拳击场通常是暗背景，所以不需要背景虚化。
Canon EF 24-70mm f/2.8L USM User Reviews. I use it on a 5D Mark II, a 20D and 50D but it stays on the 5D most of the time. It has better bokeh quality than the 24-105 f/4L IS at the same
So, I've been looking at the following: - EF-S 17-55mm f/2.8 IS - EF 24-70mm f/2.8 L . I'd envisage bringing both the 10-22mm and whichever new lens I buy on my trips, so the longer range of the 24-70mm and the fact that it doesn't overlap makes it seem ideal, but the IS on the 17-55mm is appealing. I mostly shoot scenery, from narrow old town
In the EF mount, the 24-70mm f/4 is $200 cheaper, has 0.7x max magnification* compared to the 24-105mm f/4 mkII's 0.24x, is almost 200g lighter, and is an inch shorter. Apparently those are sufficient advantages to a sufficient number of photographers to keep this lens in production.
I have the EF 24-105mm F4L IS USM lens but I have the faster EF 24-70mm f/2.8L II USM. I have found that the 24-105mm lens is a great walk around lens and use it almost of the time, if not exclusively as I wonder about. The 24-105mm lens provides a reasonably wide focal length range for most situations, is fast enough certainly sharp. In the Canon EF 70-200mm f/4L IS II vs. 70-200mm f/2.8L IS III USM Lens specifications comparison, we find the f/4L IS II with a shorter minimum focus distance (39.37 vs. 47.24" / 1000mm vs. 1200mm) for a higher maximum magnification (0.27x vs. 0.21x). The f/4L IS II has a higher-rated image stabilization system (5 stops vs. 3.5) and it also Compare Canon EF 24-105mm f 4L IS II USM Lens vs Canon EF 24-70mm f 4L IS USM Lens vs Canon EF 70-200mm f 4L IS USM Lens Press ? ? Enter ? for Accessibility for blind people who use screen readers OcZ2.
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    • canon ef 24 70mm f 4l is usm vs 24 105 ii