Canon EF 400mm f/5.6L USM

Telephoto prime lens | Canon EF | 2526A004
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For bird photos I have been using an Olympus E-M5II with 75-300 which works really well and is wonderfully light. But if I want to crop a lot, as you often need to with birds, it is not as sharp as I would like. I had thought of using the proceeds from selling my Canon equipment which I stopped using, to buy an Olympus 300 f4, for the extra sharpness (along with a teleconverter) or even a Panasonic 100-400 because of the extra reach. But given I already have Canon 70-300LIS and 400L5.6...
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Hi all, I am having difficulty judging a lens of mine. Its the 400mm 5.6 from canon. Coupled with a 5D IV, this thing should be sharp as anything, but I'm disappointed with the results. Let me know if it truly is horrible, and what I might do about it... I shot this on a good quality manfrotto tripod, 2 second timer release, ISO 100, f/8 on a windless day. Shutter speed shouldn't matter on a tripod but it was 1/160th. The object was about 10-12m away. I'll try some quicker shots later but...
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Disclaimer: I don't like zoom lenses.Canon has EF 400mm f/5.6L USM. It's cheap It's lightweight I'm not a wildlife photographer. But when I do this lens come very handy in every aspect according to my need. I don't own this lens but I rent when I need also I may buy it in future. For certain reasons I'm planning to switch from Canon DSLR to other manufactures in the past. But I never could move to another system because others lack this lens. Why other competitors does not make a lens like...
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I have a question about the Canon 400mm F5.6 L lens. I recently purchased a used copy from a trusted source that is in great condition and I find that the focus ring part of the barrel is fairly loose. I am unsure if this is normal. When holding the lens I feel like it might easily be inadvertently turned since it includes the lens's main grip areas. I am wondering if anyone could advise me as to whether this is normal for this lens and how to avoid it in normal use. In other words, I am...
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Hi All, need some advice please:-) Currently own a 70d with the 70-300L IS as my long lens. I love this lens, it's a keeper, but sometimes I'm left wanting more length as I'm getting more into birding/wildlife/water sports. So for my budget I'm thinking: Keep the 70-300L and get 400L 5.6 Keep the 70-300L and get Sigma 150-600mm contemporary Sell the 70-300L and get 100-400L II. 1. At first I was thinking the 400L 5.6 because I don't want to sell the 70-300L and I want L quality. 2. Then at...
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Hello, I'm planning to upgrade my 1100D. I did settle down on 7D2 but little did I know Canon had plans to confuse me with the 80D. :-D I do wildlife photography (mainly birds). I currently use 1100D + EF 400 5.6 L. Would the 80D and a 1.4 Canon extender be a better option for someone mainly into photographing birds? I realize we'll need to wait a bit to see how the 80D actually performs with a 1.4 tele. I'm looking for general feedback (about IQ, AF speed, etc) from people who've used...
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I'm thinking about getting a used Canon EF 400mm/f5.6 L USM since they are sharp on Canon crop-bodies, and therefore would seem like they could perform nicely with the MFT-sensor (http://forum.fourthirdsphoto.com/threads/77136-Metabones-Smart-Adapter and http://www.dpreview.com/forums/thread/3942165). My primary motive will be still wildlife and it seems that for my purpose, this would be a great combo with decent AF-S perfomance, good sharpness and contrast combined with great reach (albeit...
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I bought a 400mm f/5.6 lens (for nature photography) in mid 2015. I purchased it from Best Buy and in addition to the manufacturer warranty I also opted for the 1-year accidental damage replacement warranty offered by the store (the only time I have ever opted for one but considering I was going to be toting this lens around in the outdoor elements...).  So far, nature and the elements haven't been able to phase this sturdy L-series lens, instead, it was an urban bicycle accident that caused...
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I am a generally satisfied owner of a second-hand 5D Mark 2. It was given to me as payment in kind for some freelance design work, along with an EF 100mm Macro (non-L) and an old EF 35mm (the 1990's design). The camera body was purchased as a refurb from Canon by its previous owner. During the 6 months or so I've owned it, it's gone through two notable drops. Neither of which seemed to noticeably affect anything. The job it was used on before it was given to me put a good amount of wear on...
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I tried using all AF points in auto selection (Auto selection:65 pt AF) for BIF and was not very successful. 7D2 with 400mm f5.6L using back button focusing with the AF-ON button programmed. AI servo with Case 6 selected as well with Case 1. Even when the subject was against the blue sky I did not get in focus shots. My conclusion was that Auto selection: 65 pt AF is probably not the best AF method for BIF. I know that the expand AF area setting would be a good setting for BIF but I find it...
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