Q. What is the sharpest Canon lens?

Joseph Meehan wrote:

I agree with uranium. What is "sharpest." How do you define it and how
do you measure it? Most important is why are you so worried about it?

Read em and weep:
http://www.photodo.com/pix/lens/mtf/CAEF20018L.gif

Cheers,
Alan.



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Ryadia wrote:


Let me have a guess... Hmm.
Some people say AA is for drunks. Canon say it's to stop the moir effect.
Nikon don't bother with it and you can overcome it with an unsharp mask of
300 @0.4 radius... Hmmm. Now what could that be and why is a "sharp" lens of
interest to a Canon shooter?

You'd have to ask all those nature shooters who use the 200 f/1.8.




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wrote:

Contrast in the range of 2-15 lppmm is the most important criterion, I
believe.

Regardless of what you believe, or indeed what is right (it would be subject
dependant), the 200 f/1.8 does the job handilly at the range you mention and
damned good beyond 0 lp/mm.

http://www.photodo.com/pix/lens/mtf/CAEF20018L.gif


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"The 200 f/1.8 USM appears to be top dog. The closest Leica's (various
180mm)
aren't even close in sharpness and nowhere as fast."

Ha ha ha ha ha ha ha ha ha ha

Have you ever heard of the 180mm APO-Summicron?
http://www.imx.nl/photosite/leica/rs...estr/r180.html

From: Alan Browne

You'd have to ask all those nature shooters who use the 200 f/1.8.

It's too short for nature photographers, it's more of a fashion lens
apparently.

180mm f/2? f/1,8 is 1/6th of a stop faster!!
Don't try to tell me the Canon is better, cause it ain't so....

http://www.leica-camera.com/imperia/...jektive/58.pdf

wrote:

"The 200 f/1.8 USM appears to be top dog. The closest Leica's (various
180mm)
aren't even close in sharpness and nowhere as fast."

Ha ha ha ha ha ha ha ha ha ha

Have you ever heard of the 180mm APO-Summicron?
http://www.imx.nl/photosite/leica/rs...estr/r180.html

Yes as a matter of fact. And the Canon 200 f/1.8 beats in sharpness, is faster
and to add insult to injury has a wee bit more FL.

Face it Mikey, while Leica indisputably make very good optics, usually the best
for a given FL/aperture, there are others out there who will outdo Leica here
and there.




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Bill Hilton wrote:

From: Alan Browne


You'd have to ask all those nature shooters who use the 200 f/1.8.


It's too short for nature photographers, it's more of a fashion lens
apparently.


Could be. Depends on the "nature" of what you're shooting. For that flat
fashion look, I agree it would be fine, and for some indoor sports it would be
great as well, esp. in no-flash venues.

Cheers,
Alan

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-- e-meil: there's no such thing as a FreeLunch.

wrote:
http://www.leica-camera.com/imperia/...jektive/58.pdf


tsk-tsk. Independant lab tests please and with a randomly selected market lens.
Not the engineering tuned lab darling.

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-- e-meil: there's no such thing as a FreeLunch.