[rollei_list] Re: How rare is a Rollei with a Biometar?
- From: Marc James Small <marcsmall@xxxxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Sat, 03 Oct 2009 16:40:46 -0400
At 04:17 PM 10/3/2009, sextant@xxxxxxxxxxxxxxxxxxx wrote:
>Please enlighten me:
>Did the Planar evolve from the Biometar? The 80mm f2.8 Biometar was the std
>option with the GDR Pentacon Six.
Different lenses, as the Planar on the Hasselblad
is a distinct design from the Planar used on the Rolleiflex TLR.
The Biometar is a development of the original
six-element symmetrical Planar. The work was
began by Hans Sauer but, when he left Jena for
Oberkochen, the folks at Jena completed his
design, while Sauer completed his work at
Jena. The East German CZJ was not permitted the
use of many Zeiss trademarks such as Planar and
Distagon, and so they developed unique names for
their similar designs such as Biometar and Flektogon.
Marc
msmall@xxxxxxxxxxxx
Cha robh bàs fir gun ghràs fir!
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