Canon EF 24-70mm f/4L IS Resolution Tests!

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Fred Miranda
Registered: Dec 31, 2001
Total Posts: 22172
Country: United States

Canon 24-70mm f/4L IS now is stock!
Roger at LensRentals just posted resolution tests for the Canon 24-70mm f/4L IS. This highly anticipated lens just hit the market and his results will surprise you. He compares it to the original 24-70 f/2.8L, 24-70 f/2.8L II, 24-105 f/4L IS and Tamron 24-70 f/2.8 VC.

"On the basis of this information, though, Iím . . . well, I donít know what I am. This is a good lens, but I at the price point Iíd probably prefer the f/2.8 of the Tamron VC to the new Canonís f/4. The macro feature is nice and will certainly pull some people towards the Canon."

Read the entire Article | 24-70 f/4 IS Teardown

Canon EF 24-70 f/4L IS is now in stock for $1499 at B&H Photo | Adorama

Registered: Feb 14, 2011
Total Posts: 233
Country: United States

I'll certainly be looking forward to the early adopters reviews. I'd definitely be snapping one up myself if I didn't already have the f/2.8-II. I'd like to have one with the IS myself!

Vox Sciurorum
Registered: Nov 07, 2012
Total Posts: 190
Country: United States

I'm waiting to see (1) how it compares to 24-105 f/4 in the overlap region, (2) how useful the macro mode is. I got a lot of use out of the macro mode on my Nikon 28-105mm f/3.5-4.5. I read that the macro range on this new lens is manual focus only.

Registered: Aug 13, 2004
Total Posts: 2037
Country: United States

If it turns out to be a great lens I'll pick one up...when it goes sub $1k.

Registered: Feb 19, 2010
Total Posts: 1989
Country: United States

It'll be interesting to see how this pans out in reviews when compared to the much loved 24-105 that no-one was really complaining about in the first place.

Registered: Jan 07, 2006
Total Posts: 260
Country: United States

Agreed kezeka -

Hopwever, I do note that the 24-105's performance is starting to suffer with the higher MP sensors. I wonder if Canon is releasing this in anticipation of future releases.

Registered: Dec 30, 2012
Total Posts: 99
Country: United States

I just upgraded to the 6D and was quite interested in this lens to round out my kit with the 70-200 f/4L and the 17-40, but the price on this lens is just so high and considering the great cost of the 24-105 in the kit with the 6D I just couldnt convince myself this one is worth it, no matter how good it might be.

Registered: Jul 29, 2010
Total Posts: 4825
Country: United States

Looking forward to the reviews. Am looking for a mid-range f4L to complete my f4L trinity, along with a 6D, 2013 might be full of EOS FF Fun

Registered: Jun 28, 2009
Total Posts: 677
Country: United States

It's going to have to be as sharp as the f2.8 mk ii to make me want to sell my sharp 24-105.

Registered: Jan 09, 2003
Total Posts: 28292
Country: United States

jstntym wrote:
I'll certainly be looking forward to the early adopters reviews. I'd definitely be snapping one up myself if I didn't already have the f/2.8-II. I'd like to have one with the IS myself!

That's how I feel. I received the 24-70/2.8 II by mistake in September and just got around to using it in December. Unless the 24-70/4 IS is better at f/8, I really don't have any use for it now.


Registered: Jul 08, 2003
Total Posts: 15163
Country: United States

This lens better show a significant improvement over the 24-105mm. Otherwise, what advantage does it offer over the 24-105 that has a wider FL range?

Paul Mo
Registered: Dec 12, 2012
Total Posts: 5983
Country: Thailand

Exactly. It may have been better if they'd built a 20-105 f4 IS.

Registered: Jun 25, 2008
Total Posts: 6043
Country: United States

Well, it's slightly lighter than the 24-105, 9 blades vs 8, and 0.7x instead of 0.23x magnification.

Also, it's got hybrid IS, not normal IS like the 24-105, which should make it a bit more useful for macro-ish shots.

Essentially, it's a "different" kit lens than the 24-105, and I wouldn't be surprised to see it bundled soon with some cameras.

Undoubtedly the price will drop somewhat, but with the 24-70 II being 2k+, it makes a $1500 "standard FF zoom" look like a bargain.

Registered: Aug 06, 2004
Total Posts: 2174
Country: United States

I don't see how it's a bargain at $1500 when you can pick up a 24-105 for around $800. Canon is amazing with their pricing model.

Registered: Dec 07, 2002
Total Posts: 1253
Country: United States

I am very anxious to see some real world tests of this lens. I have the 24-105, and I have a love-hate relationship with it. I love everything about it except the vignetting at 24mm (I can even live with the distortion). It is the only lens I've sold (I then bought another one as part of the 5DII kit).

If the 24-70 f/4 IS is better at the 24mm end, I will seriously consider upgrading. I can live without the 70-105 range (I have other lenses that cover this range).

Jo Dilbeck
Registered: Dec 20, 2007
Total Posts: 2520
Country: United States

Personally, unless it just knocks the socks off the 24-105 in the IQ department, I have no use for this lens. My 24-105 stays on my 5D2 virtually 80-90% of the time. I would desperately miss the 70-105 range even though I have the 70-200 F4 IS as well. Now, a 24-70 F2.8 IS would have made me stand up and take notice!


Registered: Oct 06, 2006
Total Posts: 405
Country: United States

I want it more then f2.8 II...

Registered: Jan 21, 2005
Total Posts: 17276
Country: United States

It will be interesting to hear how it does compared to the 24-105 and 24-70 II.

Some German site totally trashed it and said it twice (i think the same lens tested twice, not sure) tested out even worse than the 24-105. I will assume they are either clueless at testing or got a super bad copy (the seeming QC problems with the crazy expensive 24-70 II make one wonder, maybe poor QC on this 24-70 f/4 IS the only reason to pay for these is for uber performance and if QC means you need two copies to get one that sort of delivers and 3 to get one that really delivers and 7 to get one that 100% delivers.... it becomes a bit frustrating to say the least.)

It would be hard to believe they'd release a lens for twice the current price and less range only to deliver the same old whatever 24-105 performance.

Registered: Sep 25, 2009
Total Posts: 4123
Country: New Zealand

I would discount that review for now. The mtf looks superb and canon have hit the mark with every new lens they have made recently.

Registered: Jan 09, 2005
Total Posts: 3121
Country: United States

I'll have 20-25 copies to test in the morning. I've already done f/4 comps on the 24-70 f2.8 mkI and II, Tamron 24-70 f/2.8, and 24-105 all at f/4 so I should have some resolution results blogged by noon (slow time of year so I have lots of help).

I agree with basically everyone: if it can resolve like the Mk II at f/4 I'll be interested. If it's not better than the others than it has nothing but the semi-macro thing going for it. We shall see. . . .

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