Thoughts on 70-200 f/4 vs 70-300 vs 100-400?

Just tried a new superzoom on a vacation last week to a lot of "blah". Rented a 100-400 last Summer which was AWESOME.
I have a 70D with indoor sports telephoto needs met with a 100 2.0 and 200 2.8II.
So I'm looking for that one special telephoto zoom for outdoor sports/activities, travel, etc. and am slightly leaning towards the 70-300L. 400mm would be useful at times, but 70-100 might be attractive and the rest up to 300 probably good-to-go 95+% of the time.
70-200 is likely enough most of the time so I'm willing to make a "focal-length" sacrifice for the most image quality possible.
Is there one of the above that really shines above the rest in image quality? Of course, there's the upcoming 100-400 which is somewhat of an unknown and the 70-200 4.0 non-IS maybe the bargain of the bunch.
Thanks for any direction even though this has been discussed a lot. The latest thoughts can't hurt, though, I guess.
Much appreciated.
 
Thanks very much. Might wait just to see, but the do-it-all size of the 70-300 plus the 67mm threads (matching my 10-18 and 35 2.0 IS) make it the likely winner. Might order today so that it and the superzoom will cross in the mail and timing its arrival while my wife is at work.
 
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I cannot comment on the 70-300, but in trialling lenses and tele convertors to shoot at 400mm I found the following.
70-200 F2.8 mark 2 with 2x convertor was sharpest
70-200 F4 with 2X was second
100-400 was third
All at f8, thats what I found. Having said that my best bird shot ever so far was shot with a 7D and the 100-400 lens. I was surprised at the quality of the F2.8 and convertor, better clarity as well as colour IMHO against the 400mm zoom.

It was slightly annoying to find that the heaviest lens was the better combo, am selling the 100-400 and building my strength up to lug the 70-200 F2.8 around China later this year. Don't need 400mm reach on this trip, but do get some great candids.
Enjoy your new lens whatever you choose, understand the compromises you need make and be happy with them.
 
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CaiLeDao said:
I cannot comment on the 70-300, but in trialling lenses and tele convertors to shoot at 400mm I found the following.
70-200 F2.8 mark 2 with 2x convertor was sharpest
70-200 F4 with 2X was second
100-400 was third
All at f8, thats what I found.

I find your results surprising. The 70-200/2.8L IS II with the 2x is similar to the 100-400, likely slightly better in controlled testing but equivalent in the real world. The 100-400 handles better. The 70-200/4 (either) + 2x should not be sharper than the 100-400, assuming the copy of the 100-400 is performing properly. In your case I'd suspect AFMA issues or a bad/damaged copy of the 100-400.
 
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neuroanatomist said:
I find the 70-300L to be an excellent travel zoom. It's the shortest of the bunch, so it fits 'vertically' in most camera bags (the 70-200/4 IS is lighter, but taller).

Ditto. The 70-300L is a wonderful (and fairly affordable) lens that is light, compact and easy to use. The IQ is excellent. If you want more reach than 480mm (which is asking a LOT on a crop body) you can always add a 1.4x TC to get over 600mm at the loss of a stop (and some IQ) which isn't a huge problem in daylight. The 70-200 is great but not as great as the 70-300 for your request (IMHO).
 
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Really happy with my 70-300L, a real step up from the non-L, but it's a shame the trade off in size means it's not compatible with the Canon extenders for the rare times I need longer. I've still got a 70-200 2.8 II IS in my sights, but feel I'll end up also with a 100-400 once the MkII comes out... Damn you GAS ;-)
 
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Have had and used all three quite a lot.

70-200 f/4 IS L is clearly the best of the three. Its simply the best zoom lens in the world - now only matched by the 70-200 f/2.8 IS L II. Get it for amazing shots. Can be used with a 1.4x with good results when needed. Handles very well and has a nice small size.

The new 70-300 IS L and the old 100-400 IS L are two excellent zoom lenses. Very capable and both have a wider zoom range. Optically, neither quite match the 70-200 f/4 IS L which is truly tack sharp wide open - and with a great bokeh to match. Specifically, the 100-400 IS L suffers from "nervous" bokeh occasionally and an old IS implementation, while the 70-300 light fairly quickly drops off (already to f/5 at something like 180mm), it also takes a drop in quality at 200mm/300mm -where most people will be using it most of the time.

Also, handling is somewhat better with the 70-200 f/4 IS L than with the two other lenses - especially the pull/push zoom of the 100-400mm gets critique (never an issue for me) and the reverse placement of zoom and focus rings on the 70-300 (also affects me). Finally, the front element of both lenses extends - a lot - when zooming.

Good luck with your choice!
 
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It comes down to what you value more: sports vs. travel; and IQ vs. weight. The 70-300L is a good choice for travel. It loses a fractional stop compared to the 70-200 f/4 IS, and it's shortness helps for travel.

But if you favor sports over travel, then I would suggest looking into the 70-200 f/2.8 IS II. Add a 1.4x TC, and it's IQ at 280mm nearly matches the 70-300L at 300mm while being a stop faster. Add a 2x TC, and it's IQ at 400 is only slightly worse than the 100-400L's although it does focus significantly slower. The 70-200 f/2.8 II IS might also make your 100 and 200L expendable, depending on how you use them.

The 70-300L is a good lens, but it seems like many people in this forum that have it also have multiple telezooms. It is the best choice for travel, but if I could only have 1 telezoom, I'd choose the 70-200 f/2.8 II IS and its IQ and advantages in portraiture and sports over its increased size/weight/worse handling and slower AF with TCs attached/etc.
 
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neuroanatomist said:
I find the 70-300L to be an excellent travel zoom. It's the shortest of the bunch, so it fits 'vertically' in most camera bags (the 70-200/4 IS is lighter, but taller).

In addition, I found the 70-300L to feel lighter on the camera than the 70-200/4L IS, despite its extra weight. That's because the weight is closer to the body. I also decided that 300mm without TC was a far better option than 280mm with TC. I cannot fault my 70-300L.

I had ruled out the 100-400 because of it's older IS. But that may possibly change soon.
 
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I've owned the 100-400 for over 8 years. Great lens, very versatile. Rented 70-200 2.8/II and 70-300 for different events. Similar comments I guess to others on this thread.

70-300 is a versatile lens, ideal for travel, as long as you don't want more reach. I know that the Kenko 1.4 works with it but haven't tried it.

70-200, awesome lens but very heavy. Used with a 1.4 and 2x, it is still more than acceptable but not dramatically better IQ than the 100-400.
 
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I own and use both the 70-300L and 100-400L. Never had a 70-200 of any form as to me, they're fitting a different niche than my interests. For practical purposes the 70-300L and 100-400L are near enough the same on their long ends, and if you get either that's where you'll probably be spending much of your time. Speed of handling on the 100-400L is great thanks to the push-pull. Older IS system often not that significant if you're shooting a moving target with it, and would need a faster shutter speed anyway to prevent motion blur. Against it, there is a bit more weight than the 70-300L. On that note, the 70-300L does have the newer IS system which can help if you're shooting static subjects, is supposed to have better sealing, and is smaller and lighter. As such I find myself taking this more if I can only take one small(er) bag on travels.

In summary, decide what range you want to use, and pick accordingly. While I haven't used the 70-200 specifically, I have also got the Sigma 120-300 f2.8. For those times I want to change range on it with teleconverters, it isn't a fun thing to do in the field. So this may apply to the 70-200s also, in that is may be best to have what you think you need in one range than to mess around. If you find the 100-400L a bit heavy, use the 120-300 for a bit. The 100-400L suddenly becomes a lot lighter!
 
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The 70-300 is a fantastic travel lens, but it is also capable of doing anything else in good light, wildlife, sports, architecture, landscape. :D I love mine and do appreciate the smaller size and weight against the 70-200/2.8 +1.4x, as I often need 300mm/280mm. I also found the 70-100mm area to be very fundamental in travel. Take the 70-300L! ;)
 
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The 70-200L, 70-300L and 100-400L are all awesome lenses, with their own strengths and weaknesses.

If you want to do fast or sports photography, there is no substitute for the 70-200 f2.8, but it's expensive and heavy. You'll easily get high shuttertimes with low ISO and freeze the motion, though. If we're talking the f4, then there's less that pulls it away from the 70-300L. All the 70-200L variants will beat the other two lenses on IQ natively, and nearly match IQ with extenders.

For uses where I don't need the 2.8, I tend to go for the much lighter 70-300L or 100-400L. Mind you, I use a full frame camera, so reach is a bigger issue than it is for you on your 70D. Whether you can do motion-stopping photography on fast moving subjects with these lenses depends on where you are in the world. There's a lot less light in Northern Europe than for example Southern Europe, or California, etc, making that harder.

The push-pull of the 100-400L is great for quickly grabbing the subject and I much prefer it over the twist zoom of the 70-300L. I am slightly disappointed the mark II is rumored to have the twist zoom design. Still, if I don't expect to need the 400mm, I tend to take the 70-300L, as its IQ is definitely better, and due to its smaller size its much easier to carry around (though the 400 works much better with a blackrapid strap). Something often overlooked with the 70-300L is that it can focus much closer than for example the 100-400L. While it's no true macro, you can get tiny things blown up pretty big with it.

I own all these lenses and have used them all extensively. If I had to pick just one to do everything with, it would be the 70-300L, but I travel a lot, and that is more important to me than freezing the action.
 
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Depends how you use the lens. If its for professional use no question 70-200mm F2.8 MKII. Brilliant lens, but its size and weight are not very desirable for travel. For a job the weight isn't an issue, travel it certainly is, It would be a tough pick but I would leave it at home specifically because of the weight. With your crop camera you are effectively getting a 110-320mm lens with F4 DOF equivalent. If you go down the 2x tele converter side you need another £350 and the lens AF speed decreases by 75% (which is well over exaggerated if you ask me). I used this combo at Silverstone Classics last weekend and it worked very well barely a shot missed and for me was easier than taking two lenses with IQ being similar to the 100-400. Price wise your looking at £2300 with the tele converter which is also a downside.

70-200mm F4 I understand why people buy the lens, smaller and lighter but at F4, but only for a FF camera. On a crop camera DOF equivalent is more like F6.3 wide open so your not gaining any added bokeh as subject isolation isn't brilliant, if anything I would always choose the F2.8. But on crop you are effectively getting a 110-320mm F6.3 DOF equivalent.

70-300mm is what I would be leaning toward, its small, light, great IQ and although similar to the 70-200mm F4 your DOF equivalent in FF terms is more like F6.3-F9 (obviously not in terms of speed but DOF) and you get an extra 100mm. In real world terms at 200mm the 70-200mm and 70-300mm are pretty much indistinguishable. The only disadvantage I see with this lens is the colour, when traveling the more inconspicuous the better and its a shame its white and it makes you stand out like a sore thumb. Its ok while on a job as people expect it but going into a country which is maybe a little less fortunate than your own with big bold flashy lenses is a disadvantage in my mind. But you are getting a 110-480mm F6.3-9 FF DOF equivalent, which is less than £900 its a compromise but a good one.

The 100-400mm is also a great lens, but it would be my last choice for a travel lens. Stupid push pull design, its huge and heavy, so unless you need the extra 100mm I would drop this off the list.

The only other option that has been missed off is the 70-300mm DO. I owned this lens but sold it because I needed a faster lens so bought the 70-200mm F2.8. Although this lens isn't perfect, its not an L lens, its not as sharp and has onion ring bokeh. For its size and weight is a brilliant travel companion, it is smaller than a 24-105mm and about the same weight. People dislike the bokeh and the slight halo you get but I found this is exaggerated, if your in a really high contrast situation it is there. Again its all about compromise with these zooms, the 70-300mm DO can be had for around £400 (second hand) which is more than half the price of the 100-400mm, 70-300mm and more than 1/4 the price of the 70-200mm. It is also black which is much more discrete and stop it down a little and it performs pretty well in the centre, corners aren't brilliant. Talking about bokeh, at DOF equivalent of F7.2-9 the bokeh you get will be minimal anyway similar to the 70-300mm L. So for £400 its worth a punt IMO but not at £1200.

My views above about the DO are strictly for travel only, professionally I would give it a miss. The thing with travel is that it is a compromise, you only get the shot with the equipment you have with you and if your traveling a good way weight is a really big issue, add a med body 800g a standard zoom 600g a small prime 300g and a super zoom 1000g the weight soon adds up and thats just camera gear.

I am in the middle of organising a 6 month trip across south america and the states, basically roughing it backpacking, so I will be carrying everything with me all the time.
My gear selection:

5DMKIII 860g
24-105mm F4 670g
35mm F2 IS 335g
70-300mm F4.5-5.6 DO 720g (or 70-300mm L 1050g not made up my mind)
Lots of cards & bats

2.6kg over 10 thousand miles is more than enough. Add a MBA clothes and supplies probably around 6-8kg.

Summary

1- 70-300mm L
2 - 70-300mm DO
3 - 70-200mm F2.8 + 2x
4 - 70-200mm F4
5 - 100-400mm
 
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I have the 70-200 4L IS and like it. My sister has had the 70-300L since last Christmas so I've played with it a bit too, although I haven't used it that much. My experience is they are both sharp and you're likely to be very happy with the IQ from either, so it really comes down to whether the extra reach (without needing an extender) is important to you and how you feel abou the size/weight/handling of each lens. That said, I should have a closer look at the bokeh from the 70-300L at some stage - I've never done any testing to see what I think of it.

Anyway, I've considered selling my 70-200 4L IS and getting a 70-300L but I like what I've got so I'm keeping it. For my use (which includes carrying it in a pack for extended periods while hiking) I prefer the weight saving (the 70-300L is about one-third again as heavy) plus I like the constant aperture. That said, the alternative way of looking at it is the weight difference is only 290g so it's not a big deal, and the extra range makes it worth sacrificing the constant aperture. FWIW though, I disagree with the earlier post saying the 70-300L feels lighter. I get that shorter lenses tend to feel relatively lighter, but to me the 70-300L still feels heavier to use. On the other hand, the idea of being able to pack the 70-300L "vertically" in a camera bag might be a real advantage to you depending on your use.

In the end I'm pretty sure you'd be happy with either. If you can try them out in a shop, I'd do that and see which one you prefer when you've got it in the hand (and on the camera!).

Oh, and as for the 100-400 I've never used one so I'll leave it to others to comment on it.
 
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As to the weight, when many of your lenses are large aperture you get used to it and the mid range aperture lenses feel very light.

Like having a 24-105mm on the 5DMKIII feels a lot lighter than the 24-70MKI but you get used to it, so for a zoom of that magnitude 1050g isn't a lot. Compare that to the 70-200mm MKII which is 1490g add a 2x converter 325g and a mid body 860g = 2675g compared to mid range body and 70-300mm = 1935g. That weight saving is the same as taking a 70-200mm F4 IS also. So you could take another high end piece of glass to fill another gap like a wide angle.

On a full frame body 200mm isn't enough on a crop it is as you get an ester 120mm for free. But the FF bodies perform better in low light. But if you want to get plenty of DOF crop cameras work to your advantage.
 
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tomscott said:
On a full frame body 200mm isn't enough on a crop it is as you get an ester 120mm for free. But the FF bodies perform better in low light. But if you want to get plenty of DOF crop cameras work to your advantage.

Do you believe in unicorns and faster-than-light particles? I suspect you do, because you think that a smaller sensor is magical and defies the laws of physics. :o

Regarding the crop factor:

[list type=decimal]
[*]It doesn't increase focal length.
[*]It's not free.
[*]There is no 'deeper DoF' advantage to a smaller sensor. Once you consider diffraction and noise, you can achieve equally deep DoF on FF with no penalty. However, there is a shallower DoF advantage with FF, if one wants/needs it.
[/list]

Smaller sensors certainly have advantages, the primary ones being lower cost and in some cases smaller/lighter bodies and/or lenses. From an image quality standpoint, the 'crop factor advantage' exists only in the specific case where ALL of the following apply: focal length limited and at low ISO and printing larger than 16x24"/A2.
 
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