11-15-2011, 01:23 PM
[quote name='mousefire' timestamp='1321338467' post='12932']
It's said that a lens is designed best at specific focus distance, is that true? Then will a normal lens suffer from image quality decrease when focusing at very near distance? Or a micro lens perform worse at infinite focus distance?
[/quote]
A very informative document shared by Klaus some time ago:
[url="http://blogs.zeiss.com/photo/en/wp-content/uploads/2011/07/en_CLB_40_Nasse_Lens_Names_Planar.pdf"]http://blogs.zeiss.com/photo/en/wp-content/uploads/2011/07/en_CLB_40_Nasse_Lens_Names_Planar.pdf[/url]
I hope you can find what you look for (beginning from page 8 and onwards)...
Serkan
It's said that a lens is designed best at specific focus distance, is that true? Then will a normal lens suffer from image quality decrease when focusing at very near distance? Or a micro lens perform worse at infinite focus distance?
[/quote]
A very informative document shared by Klaus some time ago:
[url="http://blogs.zeiss.com/photo/en/wp-content/uploads/2011/07/en_CLB_40_Nasse_Lens_Names_Planar.pdf"]http://blogs.zeiss.com/photo/en/wp-content/uploads/2011/07/en_CLB_40_Nasse_Lens_Names_Planar.pdf[/url]
I hope you can find what you look for (beginning from page 8 and onwards)...
Serkan