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Photography Question 
Marius Liebenberg
BetterPhoto Member Since: 11/21/2005

Fast Lenses Vs. Pro Lenses

I have a Canon 50mm f1.8 lens, fast in low light and not expensive. How much difference in image quality would a pro lens like the Canon L lenses give compared to the cheap 50mm 1.8?

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11/23/2005 12:38:27 AM

Christopher A. Vedros
BetterPhoto Member Since: 3/14/2005
  The main differences between an entry-level lens like the 50mm f1.8 and higher-level lenses are more about lens construction. The 50mm f1.8 is mostly made of plastic, has a plastic mount, a rotating front element, and no distance scale.
Canon's higher-level lenses, like the 50mm f1.4, are made of stronger materials, have metal lens mounts, a non-rotating front element, and a distance scale.
If you move further up the line to the L-series lenses, they add in gaskets and weather seals to protect the lens from the elements. Higher-level and L-series lenses also have more coated elements than the entry-level lenses, which can result in better image quality since they reduce internal lens glare and chromatic aberrations.


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11/23/2005 5:51:36 AM

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