Difference between revisions of "Talk:Lens"
(Lens coating has nothing to do with color correction) |
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I understand what you were trying to say here but this is not entirely true. Many digicams have fast lenses especially for zooms. My Sony f717 has the 35mm equivellent of a 38-190mm zoom at f2-2.4 In the 35mm world that would be a very fast zoom. | I understand what you were trying to say here but this is not entirely true. Many digicams have fast lenses especially for zooms. My Sony f717 has the 35mm equivellent of a 38-190mm zoom at f2-2.4 In the 35mm world that would be a very fast zoom. | ||
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+ | == Lens coating has nothing to do with color correction == | ||
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+ | I've corrected this myth both here and in the glossary. For a very good explanation of how antireflection coatings work, check Rick Oleson's discussion of the matter [http://rick_oleson.tripod.com/index-166.html here]. (He's a camera and optical guru.) | ||
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+ | From his page: | ||
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+ | :'''One last, unrelated question: Does coating make a lens "color-corrected"?''' | ||
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+ | :No. Color correction is a function of the optical design of the lens, and is not affected in any way by coating. Color correction is the property of a lens that causes all colors to focus at the same [...] |
Revision as of 08:27, 27 February 2006
Should the list of lens mounts go to the main page? --rebollo_fr
I would leave it where it is.
Ref: All very fast lenses are interchangeable lenses, so if this will be important to you, you will need an interchangeable lens camera.
I understand what you were trying to say here but this is not entirely true. Many digicams have fast lenses especially for zooms. My Sony f717 has the 35mm equivellent of a 38-190mm zoom at f2-2.4 In the 35mm world that would be a very fast zoom.
Lens coating has nothing to do with color correction
I've corrected this myth both here and in the glossary. For a very good explanation of how antireflection coatings work, check Rick Oleson's discussion of the matter here. (He's a camera and optical guru.)
From his page:
- One last, unrelated question: Does coating make a lens "color-corrected"?
- No. Color correction is a function of the optical design of the lens, and is not affected in any way by coating. Color correction is the property of a lens that causes all colors to focus at the same [...]