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10-24-2008, 02:38 PM   #1
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What is sharper

So what is sharper?
smc PENTAX FA 50mm F1,4
or
Nikkor AF 50mm F1,8 D


I think that the nikkor is sharper.

10-24-2008, 02:59 PM   #2
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The test results at photozone indicate that the Nikkor has better center sharpness at f/2 but marginal border sharpness until f/4. The Pentax is sharper overall beyond f/4.

Nikkor AF 50mm f/1.8 D - Review / Test Report

Pentax SMC-FA 50mm f/1.4 - Review / Lab Test Report

Having made the comparison, it is good to remember that photozone cautions against comparing lenses cross-platform. It is probably enough to conclude that both lenses represent substantial value for the money and that both are better than the substantially more expensive Nikkor AF 50/1.4.

Steve
10-24-2008, 03:02 PM   #3
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The nikon is probably sharper wide open, but unfortunately has terrible bokeh. So does the Nikon 50mm f/1.4. Hopefully Nikon's new 50mm lens fixes that. Check out Welcome to Photozone! for lens resolution tests. You can't compare the different systems exactly, but it gives you a rough idea.
10-24-2008, 09:45 PM   #4
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QuoteOriginally posted by karq Quote
So what is sharper?
smc PENTAX FA 50mm F1,4
or
Nikkor AF 50mm F1,8 D


I think that the nikkor is sharper.
You answered your own question :-)

10-24-2008, 09:51 PM   #5
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lenses optimized for wider apertures usually need to be more stopped down to get sharp
10-25-2008, 12:22 AM   #6
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Shouldn't this be in the Lens section?
10-25-2008, 02:17 AM   #7
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QuoteOriginally posted by Mike Cash Quote
Shouldn't this be in the Lens section?
Yes! So I moved it.
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