? on why Canon ignored...

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RC said:
You will love the 16-35 (my favorite lens on 7D) and the 24-70 is an amazing beast of a lens, I LOVE THEM! ;D the 70-200 is2 however sits at home more often than not

That gets me even more excited hearing that! Lens is expected to arrive early next week giving me a long holiday weekend to enjoy. ;D


yeah, if I was in a situation where I could only take one lens with me, the 16-35 wins out everytime! :D
 
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psycho5 said:
RC said:
You will love the 16-35 (my favorite lens on 7D) and the 24-70 is an amazing beast of a lens, I LOVE THEM! ;D the 70-200 is2 however sits at home more often than not

That gets me even more excited hearing that! Lens is expected to arrive early next week giving me a long holiday weekend to enjoy. ;D


yeah, if I was in a situation where I could only take one lens with me, the 16-35 wins out everytime! :D

i would imagine it would be razor sharp on a 7D corner to corner and be a good walk around (26mm to 56mm)
even on the APS-H it gives a nice 21mm to 46mm which is not bad for a walk around i also like how it all move internally not like the 24-105 or 24-70 and its quite light and balanced
I just got a light craft workshop ND fader in 82mm for it, havent tried it out yet but cant wait, i've use it with a hoya slim CPL before and its great
 
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There is no legitimate reason for the lack of EF-S L lenses. It is purely a marketing decision.

In the old days of film, people had no hesitation putting L lenses on their lower end $300-$500 camera bodies. Canon encouraged this. Look through some old photo magazines. Canon generally promoted their wide range of lenses more than individual bodies. In the old days, when people changed cameras less frequently, the money was in lens sales.

It's a bit different today. A recent stat published on CR suggested that most people stick with their kit lens and don't invest in a second lens. However, people are clearly updating cameras a lot more frequently. Canon's advertising is predominantly aimed at selling new bodies.

How do they make more money? By selling more expensive, higher margin bodies.

And how do they do that? By convincing people that only the plebs would use a crop body. After all, if you were serious about image quality, you would be using full frame. Plus, you can't be considered a serious pro unless you're using a full frame camera. If you use a full frame camera, your pictures will exude pure awesomeness. And if you use a full frame camera, you can use the L lenses at their designed-for field of view.

Of course, it is not just Canon promoting this view, but also "the internet' in general.

Now, maybe Canon is right and they are doing us a favour encouraging us to move to full frame. Full frame cameras probably are (for most applications) "better". I know that I'm keen to see what the 5Diii will look like. Not only am I interested in technically better image results, but I want to go back to using my lenses for the purposes they were designed. I like using well built lenses. My 10-22 works as well as my 17-40, but the 17-40 is a joy to use, works very smoothly and doesn't have a focus ring that wobbles. I used my 70-200 a lot more when 70mm meant 70mm.

Anyway, back on topic. Canon should produce EF-S L lenses. There is no reason for them not to. In fact, if I was them, I'd take advantage of the crop sensor and produce a range of fast, small, L primes. In particular, a 12, 24, 50, 85mm.

The other argument that people use against EF-S L lenses is that L lenses should be compatible with the higher end professional full frame bodies. What nonsense! Although I don't have access to Canon's sales statistics, I'd be willing to bet that there are more amateurs out there with L lenses on crop bodies than pros with 1 series bodies. Plus, I find it hard to believe that a 1Ds user would mistakenly buy an EF-S lens purely because it had an L designation. And if they did, well.....

(Sorry for my "rant for the day" but I get upset when people infer that I'm not worthy of using a particular product, simply because I don't use the right camera body.)
 
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Question Neuro

Are the EF-S lens openings not adapted to their format? So that f2.8 is actually f1,75 in the case of the 17-55mm? How do you know?

Thx for the info

neuroanatomist said:
L series lenses are 'professional' lenses. 1-series bodies are 'professional' bodies. So, an EF-S 'professional' lens, which wouldn't work on a 'professional' body, is a non-starter.

I suppose Canon could slap a blue ring, magenta ring, whatever, on a new series of lenses that are 'semi-pro' EF-S lenses with better build and sealing. But consider - among APS-C cameras, currently only the 7D has a reasonable level of weather sealing and high-end build quality. Comparing that to the the sheer number of other APS-C models with lesser build/sealing, it may not make a lot of (financial) sense for Canon to develop sealed lenses for a small image circle camera since the market just wouldn't be there.

JR said:
I remember when I has the 17-55 2.8 IS on my 7D and I love having the IS for video shooting. Since moving to the 5D mkII, I am a bit frustrated that they dont have an equivalent 2.8 zoom with IS (the 24-70 2.8 I mean) and that the only option for IS would be the get the 24-105 f4 which is a no go for me for indoor shooting.

It's a common fallacy. In fact, the 24-105mm f/4L IS on FF outspecs the 17-55mm f/2.8 IS on APS-C in nearly every way. Consider - in terms of focal length and DoF for the same framing, the FF equivalent of the 17-55mm f/2.8 is 27-88mm f/4.5. So, the 24-105mm f/4 is wider and longer, has 1/3-stop shallower DoF, and still has IS. Going from an APS-C sensor to a FF sensor gains you 1.3 stops of improved ISO noise performance based on total light gathered, meaning you can bump up the ISO on the 5DII by one stop to compensate for the loss of light going from f/2.8 to f/4, and still get nearly 1/3-stop less noise. The only thing you really lose is the functionality of the high-precision f/2.8-sensitive center AF point - in every other way, the 24-105mm on FF will be better than the 17-55mm on APS-C.
 
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psycho5 said:
As of this moment I would NEVER buy an efs lens because all of them are plastic fantastics that wont last a single day out in the field.

Many of the L-series lenses are plastic, too. The EF-S 10-22mm, while very light, is actually quite well-built. But I do see your point...

psycho5 said:
Another issue I would like to bring up is the fact that there is no excuse for any DSLR manufacturer to make cheap products anymore... leave the china-made s*** to the 4/3s market and finally focus on quality engineering for ALL DSLRs and their corresponding lenses (EF, EFS)

What, and leave all those profits on the table? There's a reason Canon released MkII versions of the 18-55mm IS and 55-250mm - updates which didn't change the optics, but rather reduced production costs by a small per-unit amount. Those lenses are their most popular sellers, and it's the profits from those cheap Taiwan and Malaysia-made lenses that enables the development of those L-series lenses you like so much. Without all that plastic-fantastic, no more L lenses.
 
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