[LRflex] Re: Summicron lens on Oly problem...
- From: William Abbott <wbabbott3@xxxxxxxxxxx>
- To: leicareflex@xxxxxxxxxxxxx
- Date: Fri, 14 Mar 2008 14:50:46 -0700
David,
Both my 35mm 1.4 and 19mm 2.8 have a 360 degree "guard" of the same
diameter as the arc on my 50mm 2.0, so they would apparently interfere.
My 21-35mm and 35-70mm zooms also have a 360 degree guard but they are
only 32mm o.d. (approximately) versus the 36mm o.d. (approximately of
the rings on the 35mm and 19mm, so they may miss the chip.
Sorry I don't have an E-3 and chip to try them on.
All the best,
Bill
On Mar 14, 2008, at 12:51 PM, David Young wrote:
For those who are interested in this sort of arcane stuff...
A photo, showing the problem of the "lip" on a old style 50mm
Summicron hitting the FC chip on the Leica-R to 4/3rds adapter, can be
seen at:
http://www3.telus.net/~telyt/lip.htm
This "lip" is, I am sure, on the lens so that when the lens is put
down, rear element down, the element will not contact the surface,
thus preventing scratches. On a Leica, or even on a Canon, this lip
does not get in the way. But, with the Focus confirmation adapters
for the 4/3rds cameras, when the lens barrel is moved towards the film
plane, the "lip" hits the FC chip. :-(
So, quick, guys... please check your Leitz/Leica lenses and let me
know (on list or private mail) what lenses you have that have this
"lip" or "ridge" sticking out the back.
Many thanks.
---
David Young,
Logan Lake, CANADA
Limited Edition Prints at: www.furnfeather.net
Personal Web-site at: www.main.furnfeather.net
Stock Photography at: http://tinyurl.com/2amll4
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