[rollei_list] Re: Do you know?
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <rollei_list@xxxxxxxxxxxxx>
- Date: Thu, 8 Jan 2009 12:45:02 -0800
----- Original Message -----
From: "Carlos Manuel Freaza" <cmfreaza@xxxxxxxxxxxx>
To: <rollei_list@xxxxxxxxxxxxx>
Sent: Wednesday, January 07, 2009 7:04 PM
Subject: [rollei_list] Re: Do you know?
I can't see any "telescope" in the Leica SM telemeter design
Richard, it has a 38mm base and the Contax 90mm base. The
Contax telemeter is more rigid than the Leica one due to the
two wedges and then it requires adjustment very rarely, the
Contax telemeter has two colors for the images, a reddish
one for the main image and a greenish one for the secondary
image, when both images coincide, colors become identical
and almost natural and stronger, very easy to focus.BTW you
are seeing your subject to take the photograph all the time,
you don't need to change windows.
Rolleiflex shutters (and Contax shutters)don't have problems
with the sun, and BTW the Rollei TLR 3.5 shutter is more
silent than the Leica and Contax shutters, there is a test
in the web, the Compur 3.5 Rolleiflex shutter is the more
silent mechanical shutter.-
Well, you are right, I just looked again. The range
finder image is larger because it is life-size while the
viewfinder has some reduction in size.
While the Contax has metal slats in the shutter I am
not sure it is safe to point it at the sun due to the cloth
ribbons that hold the slats together. Even an all-metal
shutter curtain such as the one used in Nikon F cameras is
probably not immune to sun damage. Of course, in an SLR with
an automatic mirror return the shutter is exposed to the
outside world only briefly so it isn't really comparable.
As far as noise, I don't know of any focal plane
shutter which is as quiet as a Compur shutter.
--
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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