Archived posting to the Leica Users Group, 1999/02/10

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Subject: Re: [Leica] IIIf question
From: "Mark Hammons" <astair@ix.netcom.com>
Date: Wed, 10 Feb 1999 21:14:31 -0600

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    The issue re the light weight shutter I have often puzzled over; the =
only reference I ever came across was the bald notation on pg 135 of the =
Pocket Book.  Nothing seen elsewhere to amplify - offers please.=20

    ------------------------------------

    Van Hasbroeck's book mentions that the IIIF red dial had a =
"completely new redesigned shutter (lighter and with less

    bounce).   Also says that the new shutter speeds for the IIIF RD =
were the THEN INTERNATIONAL ones.

    Comparison of IIIF BD (black dial) and IIIF RD (red dial) shutter =
speeds are given below:

    BD:  T, 1, 1/2, 1/4, 1/10, 1/15, 1/20, 1/30, 1/40, 1/60, 1/100, =
1/200, 1/500, 1/1000, B

    RD:  T, 1, 1/2, 1/5, 1/10, 1/15,      1/25,    1/50, 1/75, 1/100, =
1/200, 1/500, 1/1000, B

   =20

   =20

    Notice how there is one less slow shutter speed on the Red Dial with =
the 1/25th

    second speed fitting between the 1/20th and 1/30th speed of the =
Black Dial.

   =20

    Mark Hammons


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<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 solid 2px; MARGIN-LEFT: 5px; PADDING-LEFT: =
5px">
    <P>The issue re the light weight shutter I have often puzzled over; =
the only=20
    reference I ever came across was the bald notation on pg 135 of the =
Pocket=20
    Book.&nbsp; Nothing seen elsewhere to amplify - offers please.=20
    <P><FONT color=3D#000000 face=3DArial=20
    size=3D2>------------------------------------</FONT></P>
    <P><FONT color=3D#000000 face=3DArial size=3D2>Van Hasbroeck's book =
mentions that=20
    the IIIF red dial had a &quot;completely new redesigned shutter =
(lighter and=20
    with less</FONT></P>
    <P><FONT color=3D#000000 face=3DArial size=3D2></FONT><FONT =
face=3DArial=20
    size=3D2>bounce).&nbsp;&nbsp; Also says that the new shutter speeds =
for the=20
    IIIF RD were the THEN INTERNATIONAL ones.</FONT></P>
    <P><FONT face=3DArial size=3D2>Comparison of IIIF BD (black dial) =
and IIIF RD=20
    (red dial) shutter speeds are given below:</FONT></P>
    <P><FONT face=3DArial size=3D2>BD:&nbsp; T, 1, 1/2, 1/4, 1/10, 1/15, =
1/20, 1/30,=20
    1/40, 1/60, 1/100, 1/200, 1/500, 1/1000, B</FONT></P>
    <P><FONT face=3DArial size=3D2>RD:&nbsp; T, 1, 1/2, 1/5, 1/10,=20
    1/15,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1/25,&nbsp;&nbsp;&nbsp; 1/50, =
1/75,=20
    1/100, 1/200, 1/500, 1/1000, B</FONT></P>
    <P><FONT color=3D#000000 face=3DArial size=3D2></FONT>&nbsp;</P>
    <P><FONT color=3D#000000 face=3DArial size=3D2></FONT>&nbsp;</P>
    <P><FONT color=3D#000000 face=3DArial size=3D2>Notice how there is =
one less slow=20
    shutter speed on the Red Dial with the 1/25th</FONT></P>
    <P><FONT color=3D#000000 face=3DArial size=3D2>second speed fitting =
between the=20
    1/20th and 1/30th speed of the Black Dial.</FONT></P>
    <P><FONT color=3D#000000 face=3DArial size=3D2></FONT>&nbsp;</P>
    <P><FONT color=3D#000000 face=3DArial size=3D2>Mark=20
Hammons</FONT></P></BLOCKQUOTE></BODY></HTML>

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