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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 15 May 2011 (Sunday) 20:51
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Excuse my ingorrance, but.....

 
robtk
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May 15, 2011 21:40 |  #16

L lenses work on crops and FF. canon: wants yours money --> wants you you to pay more for their bodies --> doesn't want to give you a reason not to upgrade

it's all marketing. L lenses are great, but third party lenses can have equal (and sometimes better) qualities. 3rd party is sometimes cheaper, sometimes more expensive.


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RobDickinson
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May 15, 2011 21:41 |  #17

Not sure theres many 3rd party EF mount lenses that can match or pass the L equivelant.

Sigma 150f2.8macro prehaps?


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keyframe14
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May 15, 2011 21:47 |  #18

RobDickinson wrote in post #12416534 (external link)
Not sure theres many 3rd party EF mount lenses that can match or pass the L equivelant.

Sigma 150f2.8macro prehaps?

Zeiss, Schneider.


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DAMphyne
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May 15, 2011 21:48 |  #19

OneEarth Productions wrote in post #12416510 (external link)
Would just be nice to put on an L lens and get the "real" focal range.

Uh...well...just saying, again. :rolleyes:


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RobDickinson
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May 15, 2011 21:49 |  #20

keyframe14 wrote in post #12416569 (external link)
Zeiss, Schneider.

Which dont autofocus.

And I'm not convinced the Zeiss 50/1.4 is any better than the canon 50/1.4

The 21mm is supeb though , I wouldnt say it could replace a canon lens as the 24L is kinda a different beast.


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keyframe14
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May 15, 2011 22:31 |  #21

RobDickinson wrote in post #12416584 (external link)
Which dont autofocus.

Oh you're right, in this case, they sucks..Don't even know why they cost so much then :-|


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RobDickinson
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May 15, 2011 22:41 |  #22

Its a lot harder to make autofocus lenses than manual. CZ do make them too, just not for canon mount.


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Markd102
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May 15, 2011 23:09 as a reply to  @ RobDickinson's post |  #23

LOL, good debate.

So the answer to the actual question is... No, there is no TECHNICAL reason.




  
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philwillmedia
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May 15, 2011 23:36 |  #24

OneEarth Productions wrote in post #12416510 (external link)
Would just be nice to put on an L lens and get the "real" focal range.

Any lens that goes on a crop body is the real focal range.
The focal length does not and cannot magically change just by putting it on a crop body. 100mm is still 100mm.
What changes is the angle of view.

I'm sure SkipD will be along soon with his wonderful tutorial about crop sensors.


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yogestee
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May 15, 2011 23:47 |  #25

philwillmedia wrote in post #12417098 (external link)
Any lens that goes on a crop body is the real focal range.
The focal length does not and cannot magically change just by putting it on a crop body. 100mm is still 100mm.
What changes is the angle of view.

I'm sure SkipD will be along soon with his wonderful tutorial about crop sensors.

Yeah,, come on Skip,,, bring it on :D


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nikesupremedunk
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May 16, 2011 00:55 |  #26

kf095 wrote in post #12416407 (external link)
IMHO, 1.6 Crop is totally consumer format. Sorry, but even 7D is not something really expensive.
Why Canon needs luxury lens only for consumer format?

says the guy with a 5dc and a 500d :rolleyes:

As per canon, L lenses must be able to fit on all bodies, that's why an ef-s will not be able to have the L labeling. You also get weather sealing with some of the L lenses and better build than ef-s lenses. but some ef-s's like 17-55 are optically as good as the L FF counterpart.


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1Tanker
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May 16, 2011 01:18 |  #27

nikesupremedunk wrote in post #12417364 (external link)
says the guy with a 5dc and a 500d :rolleyes:

As per canon, L lenses must be able to fit on all bodies, that's why an ef-s will not be able to have the L labeling. You also get weather sealing with some of the L lenses and better build than ef-s lenses. but some ef-s's like 17-55 are optically as good as the L FF counterpart.

They've really got it @ss-backwards when you think about it. The "pro" lenses should be restricted to pro bodies.. as is the case with EF-S..but reversed. :lol:


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RobDickinson
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May 16, 2011 01:21 |  #28

EF-S is a bit of a faliure anyhow. As in it doesnt seem neded to produce the goods for sigma, nikon et al.


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robtk
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May 16, 2011 01:24 |  #29

RobDickinson wrote in post #12417438 (external link)
EF-S is a bit of a faliure anyhow. As in it doesnt seem neded to produce the goods for sigma, nikon et al.

but i'm sure it's yielding terrific quarterly revenues


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keyframe14
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May 16, 2011 07:14 |  #30

RobDickinson wrote in post #12416872 (external link)
Its a lot harder to make autofocus lenses than manual. CZ do make them too, just not for canon mount.

I was hoping you get the sarcasm in my post...
That's like complaining there is no build-in flash on pro bodies.


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Excuse my ingorrance, but.....
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