Archived posting to the Leica Users Group, 1998/01/22
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I have heard good things about this 100 2.8 APO from EVERYONE on the list.....not one person has said a bad word about this lens.....it MUST be amazing! I have got to get my hands on one......too bad I already have an 80/1.4. Very close to 100mm... Francesco At 07:14 PM 1/22/98 -0500, TEX WORKER wrote: >I have using the 100 mm APO 2.8 for some three years. At all distances it is >my most favored lens. I just purchased a 70-180 APO 2.8 and I just hope it >is a good as the 100mm. > >The key word is APO. This means the lens is corrected to as nearly as >possible using the entire spectrum of light (as least three different points) >for focus. Prior to fluorite and other special glass chromatic aberation was >corrected using two points and considering the third point. Now they use >three points. This is a rudimentary explanation. The first lens Leica made >was the 180 mm F3.4. This was developed under a gov't contract I believe. > >All the APO lens are tops. I used the 280 mm F2.8 for awhile but the bulk let >me leave it at home. I finally sold it. > >Clifton > Francesco Sanfilippo, Five Senses Productions webmaster@5senses.com http://www.5senses.com/