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Canon 24-105 f/4 L IS vs. Tamron 24-70 f/2.8 IS vs. Canon 24-70 f/2.8 L II

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heptagon:
Hello dear photographers,

who has experience with at least two of the lenses Canon 24-105 f/4 L IS, Tamron 24-70 f/2.8 IS, Canon 24-70 f/2.8 L II? I'm particularly interested in how well they perform for specific applications. Which one did you pick after comparing and why?

The Canon 24-105 f/4 L IS and Tamron 24-70 f/2.8 IS have about the same resolution. Do they perform similar in practice or do you prefer one over the other for some reasons. When do you actually use f/2.8?

The Canon 24-70 f/2.8 L II clearly is the sharpest of those lenses but it lacks IS which makes me believe that hand-held it may be impossible to obtain this resolution and the IS lens actually may win.

At 70mm f/8 all lenses look very similar:
http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=787&Camera=453&Sample=0&FLI=4&API=4&LensComp=786&CameraComp=453&SampleComp=1&FLIComp=3&APIComp=4

http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=355&Camera=453&Sample=0&FLI=4&API=3&LensComp=786&CameraComp=453&SampleComp=1&FLIComp=3&APIComp=4

This makes me believe that they all are "good enough" for Studio settings when shallow DoF isn't required.


In contrast the Canon 24-70 f/2.8 L II clearly loses to the Canon 70-200 f/2.8 IS II at 70mm f/2.8:

http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=787&Camera=453&Sample=0&FLI=4&API=0&LensComp=687&CameraComp=453&SampleComp=0&FLIComp=0&APIComp=0

So for shallow DoF portraits it wouldn't even be a second choice (135 prime would be the first) but still costs double of the other lenses. If you got the 24-60 L II, what was the reason to justify the extra cost?

Thanks for sharing your experience,
Heptagon

GMCPhotographics:
[quote author=heptagon link=topic=12985.msg233003#msg233003 date=1360913080

The Canon 24-70 f/2.8 L II clearly is the sharpest of those lenses but it lacks IS which makes me believe that hand-held it may be impossible to obtain this resolution and the IS lens actually may win.

This makes me believe that they all are "good enough" for Studio settings when shallow DoF isn't required.
[/quote]

In a studio environment, the flashes will negate any IS value. Most flashes / stobes / monoblocks fire between 1/1000th to 1/200th sec. So the amount of light is very bright and very brief. It will literally freeze any action, regardless of hand held or not or a slow shutter speed. The high levels of contrast will also cause the percieved sharpness to increase too...so the difference in sharpness between these lenses is very minimal in this context. Usually in the studio you will be shooting at f8-11 so wide open sharpness is not a requirement. All these lenses perform more than adequate in this aperture range, so its choice ot taste, legevity and brand.

spinworkxroy:
I own both the 24-105 and 24-70II
I bought the 24-70II even though i own the 24-105 for 1 reason, sharpness at f2.8. That's also a big reason why many other buy this lens isn't it?
Depending on what you shoot, for me, it's 90% portraits, 10% events and for both, i don't need IS.
What i need is a sharp lens.
If possible, most times i'll use my primes but there are situations where a good zoom is essential and this is where the 24-70II really shines..it's almost as sharp as my primes for portraitures..

Dylan777:

--- Quote from: spinworkxroy on February 15, 2013, 07:26:25 AM ---I own both the 24-105 and 24-70II
I bought the 24-70II even though i own the 24-105 for 1 reason, sharpness at f2.8. That's also a big reason why many other buy this lens isn't it?
Depending on what you shoot, for me, it's 90% portraits, 10% events and for both, i don't need IS.
What i need is a sharp lens.
If possible, most times i'll use my primes but there are situations where a good zoom is essential and this is where the 24-70II really shines..it's almost as sharp as my primes for portraitures..

--- End quote ---

+1

RLPhoto:
I invested in fast primes then bought the 24-105. If I need faster than f/4, I use the fastest I can get. Sub- f/2.

But I generally always use my 24-105L at f/5.6 or smaller where the IQ difference is minimal. It does have a bit of distortion though.

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