[rollei_list] Re: Rolleiflex Mirrors.
- From: "Eric Goldstein" <egoldste@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Fri, 23 Mar 2007 14:07:50 -0400
In reading him, I always felt Dr. Kingslake had an enormous respect,
almost reverence, for Bertele, who in spite of any lack of formal
optical training designed some of the worlds most revered and enduring
lenses (Sonnar, early Biotar and Aviotar)...
Eric Goldstein
--
On 3/23/07, Richard Knoppow <dickburk@xxxxxxxxxxxxx> wrote:
Kingslake has a short biography of Bertele in his book _A
History of the Photographic Lens_. Its so short that I will
copy it here. He was a quite remarkable man.
---
Ludwig Jakob Bertele was born in Munich in 1900, the son of
an architect. He attended the institute of Technology in
Dresden and in 1920 became an optical dseigner with
Ermemann in that city. There, with no formal optical
training, he designed the first f/2 Earnostar lens in 1922.
This lens was fitted to the Earmanox camera, and its use
permitted the first photographs to be made under available
light.
In 1926 Earnemann became part of the Zeiss-Ikon
organization and Bertele became a Zeiss designer, working
first at Jena and then at the ICA plant in Dresden, where he
designed a series of high-aperture Sonnar lenses. He quickly
became one of he most outstanding lens designers in the
world.
In 1942 Bertele left Zeiss and worked for three years
with Steinheil in MUnich. Then, at the close of he woar in
1945, he moved to Switzerland and joined the firm of Wild in
Heerbrugg. There he designed microscope objectives and a
series of outstanding lenses for aerial cameras. He was
awarded an honorary doctorate by ETH in Zurich in 1959.
Bertele retired to Wildhaus in 1956 but continued his
optical work on a consulting basis until his retirement in
1973. He recieved many honors for his outstanding
accomplishments; he died on November 16, 1985.
---
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
---
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