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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 14 Sep 2015 (Monday) 02:52
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2.8 vs IS

 
blue9
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Sep 14, 2015 02:52 |  #1

What would you prefer for general and sports photography? For example a zoom 70-200 f4 with IS or a 70-200 2.8 non IS.
It's the same with 300mm f 4 IS or older 300mm 2.8? Usually they can be find used at the same price.




  
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smythie
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Sep 14, 2015 03:35 |  #2

f/2.8 with IS ;-)a

In the case of the 300/4 IS vs an old 300/2.8 non IS, the f/2.8 would probably still offer superior IQ and AF


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blue9
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Sep 14, 2015 04:02 |  #3

smythie wrote in post #17706718 (external link)
f/2.8 with IS ;-)a

I wish i could afford that :)




  
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smythie
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Sep 14, 2015 04:25 |  #4

For sports when there is possibility of fading or artificial light, I'd pick f/2.8 over f/4 with IS (assuming similar lens IQ) - subject motion is usually more important to stop in sports shooting than camera/lens motion (which IS works to eliminate), so you want the biggest aperture you can justifiably get to give you the best chance of getting shutter speed to freeze subject motion.

To your reference about the Canon 70-200 f/4 IS - it is a really sharp lens in its own right and before the f/2.8 IS mk2 was released was arguably their sharpest 70-200 lens. This caused a lot of questions and arguments over whether the cheaper, lighter and sharper f/4 IS was better for whichever scenarios. The mk2 changed that with excellent IQ and you very rarely see involved discussion these days from people recommending the f/4 IS over the mk2 even though the mk2 is heavier and a lot more expensive.


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LonelyBoy
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Sep 14, 2015 05:41 |  #5

blue9 wrote in post #17706729 (external link)
I wish i could afford that :)

If that's the case, are you shooting sports, or still targets? Sports (or running children, animals, etc) = f/2.8. Still targets (landscape, stationary adults) = IS.


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MalVeauX
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Sep 14, 2015 05:42 |  #6

blue9 wrote in post #17706699 (external link)
What would you prefer for general and sports photography? For example a zoom 70-200 f4 with IS or a 70-200 2.8 non IS.
It's the same with 300mm f 4 IS or older 300mm 2.8? Usually they can be find used at the same price.

Heya,

For sports, on a budget, the faster glass is better than the glass with IS in terms of what you're getting. I'd definitely take a 300 F2.8 over a 300 F4 IS for sports, any day. Same with the 70-200 F2.8 over the 70-200 F4 IS, again, for spots.

I'd take IS for things where you want to pan at a low shutter speed (drag, moto, automotive, etc), or still photography of all kinds.

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GregDunn
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Sep 14, 2015 13:55 |  #7

Remember also that:

IS helps stabilize the image on the camera's AF sensor, improving its ability to track the subject in many cases.

The larger aperture improves the camera's AF accuracy on most newer bodies.

Ultimately, it's about which improvement helps your style and type of shooting more in practice.


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Sep 14, 2015 17:57 |  #8

Just my 2p!
I don't (normally shoot sports) but I do shoot wildlife which can make similar demands on your AF system. For what it's worth I use the Canon 300 F2.8 L IS and the Canon 800 F5.6 L IS and have not used the IS on either of them since Jan 2014. The IS was simply interfering too much with my AF speed and tracking. I wouldn't try and stop anybody buying an IS lens as they are frequently better than the non IS versions (when available). I would simply turn it off and keep it in reserve for the times when you simply cannot get a decent shutter speed and the subject isn't moving too much.
IS is VERY helpful to many photographers for a variety of uses - just not for me and my, frequently, moving subjects.

Of the lenses that you mention my, personal choice, is the 300 F2.8 (non IS) - it is a cracking lens. You should note that it is no longer serviced/supported by Canon so, if anything goes wrong, you may have an expensive paperweight!


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Sep 14, 2015 19:24 |  #9

LonelyBoy wrote in post #17706766 (external link)
If that's the case, are you shooting sports, or still targets? Sports (or running children, animals, etc) = f/2.8. Still targets (landscape, stationary adults) = IS.

According to my experience I fully support the above answer. Consider also weight and DOF difference.


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n1as
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Sep 29, 2015 14:35 |  #10

f/2.8 all the way.

For most sports situations the faster shutter speed is needed. f/2.8 or faster. My sports-kit-on-a-budget looks like this:

5D-III
24 f/2.8 IS
85 f/1.8
135 f/2.0L
200 f/2.8L
100-400L

The 100-400L is my compromise. I'd rather have 300 f/2.8 or 400 but can't afford it.


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Oct 04, 2015 09:52 |  #11

f2.8 + tripod/monopod

;-)a


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Talley
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Oct 04, 2015 11:24 |  #12

Azathoth wrote in post #17732232 (external link)
f2.8 + tripod/monopod

;-)a


Only for the 400mm you need support. Anything else 2.8 you can handhold.


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Oct 04, 2015 11:47 |  #13

blue9 wrote in post #17706699 (external link)
What would you prefer for general and sports photography?...

Sports = action = subject motion.

Only shutter speeds will stop subject motion.
IS will not increase shutter speeds.
Wider Aperture will.


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davesrose
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Oct 04, 2015 12:11 |  #14

Yeah, before I had the 70-200 2.8 IS, I had a 70-200 2.8 (and optically, it's still only second to the 70-200mm 2.8 IS II). The IS is good for hand holding in dim light, but I'd prefer a 2.8 vs f4 IS in the telephoto range. With UWA, since DOF and shutter is less demanding, I don't have issues with f4 IS in that range.


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2.8 vs IS
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