Archived posting to the Leica Users Group, 1998/01/13

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Subject: Re: [Leica] Leica-Users List Digest V2 #31
From: "std" <techs@whidbey.net>
Date: Tue, 13 Jan 98 14:31:29 PST

- ----------
>
>
> Leica-Users List Digest      Sunday, 7 December 1997      Volume 02 : =
Number
> 031
>
>
> ----------------------------------------------------------------------
>
> From: lhtseng@math.fcu.edu.tw (Li-Hsin Tseng)
> Date: Sat, 6 Dec 1997 16:55:04 +0800 (CST)
> Subject: [Leica] no. of blades
>
> Please help me with these questions:
> (1) Which Leica M/LTM lens has the largest number of blades
>     (to form the diaphragm)?
> (2) Which RF/VF lens has more blades than Leica lenses?
> (3) Similar to questions (1) and (2), but for Leica R and SLR lenses.
> Thank you very much in advance.
> /Leslie Tseng
>
> ------------------------------
>
> From: CapsTeeth <CapsTeeth@aol.com>
> Date: Sat, 6 Dec 1997 00:34:38 EST
> Subject: [Leica] Lens construction
>
> I was comparing a current M-50/2 (w. pull-out hood) and a 35/2 ASPH to
> early-1970's versions and noted that I couldn't find any setscrews or
> retaining-rings on the current versions (although current 90/2 and the =
new 21
> ASPH do have them evident) except for the ones affixing the rear lensmo=
unt.  I
> remember someone of some authority saying that some of the newer lenses=
 are
> held together with cement, and that they tend to come loose with use. =
 In the
> dental field we use some phenomenal cements and resin-bonding materials=
 which
> withstand extreme forces and a humid environment as well if not better =
than
> mechanical fasteners, but I would like to inquire if any users out ther=
e have
> experienced problems with newer lenses coming loose?
>
> Doc
>
> ------------------------------
>
> From: Korling <korling@elim.net>
> Date: Sat, 06 Dec 1997 20:13:02 +0900
> Subject: [Leica] M lenses on a T90
>
> I am curious whether anyone is using M or thread mount lenses on a Cano=
n
> T90 with the available adapters.
> I read something about it on the Classic Cameras page on the net. The
> author called it a Viso IV.
>
> Stan Reinike
>
>
> ------------------------------
>
> From: Steve Hickel <smhickel@x2.alliance.net>
> Date: Sat, 06 Dec 1997 07:02:03 -0500
> Subject: Re: [Leica] For sale:M6 and lense
>
> Jun,
>
> Would your friend consider a trade for a Nikon F2.8 Auto Focus 80-200mm
> lens with filter and shade for one of the Summicron's?
>
> Steve
>
> At 01:04 AM 12/6/97 +0900, you wrote:
> >Hi LUG folks,
> >
> >My Name is Jun Nakajima,live in japan.
> >This is my first to write to this LUG area.
> >Recently,a friend of mine who live in hnere(japan)
> >would like to sale some leica items which are as follows;
> >
> >1)M6 BLK NO 217XXXX 1290.00 US$(Boxed)
> >2)M6 Chr NO 200XXXX 1350.00 US$(Boxed)
> >3)Summicron 35 BLK NO 363XXXX 625.OO US$(Hood,Boxed)
> >4)Summicron 35 chr NO 364XXXX 650.OO US$(Hood,Boxed)
> >5)Elmarit 21/2.8 NO 357XXXX 1175.00 US$(Hood,Boxed)
> >
> >All of above items has mint(-)condition,no ding,no scratches.
> >
> >The cost of these items has not Shipping charge(FEDEX)
> >and aloso money handling cahrge.
> >
> >If you are intereted in these items,please contact via
> >E-Mail to: bza00342@jb3.so-net.or.jp (Mr.Daisaku Miyake)
> >with your direct action.
> >
> >I believe that these items has best using condition,
> >if anyone will looking for or would like to buy the
> >near mint M6 system of Leica camera.
> >
> >Thanks, jun (jun@magicalights.co.jp)
> >
> >--
> >Jun Nakajima
> >Magicalights Studio Corporation.
> >Kashiwa City,Chiba-pre.JAPAN
> >SiliconGraphics O2 / NeXT_Rhapsody
> >
> >
>
> ------------------------------

>
> From: Marc James Small <msmall@roanoke.infi.net>
> Date: Sat, 06 Dec 1997 10:30:14 -0500
> Subject: Re: [Leica] no. of blades
>
> At 04:55 PM 12/6/97 +0800, Leslie Tseng wrote:
> >(1) Which Leica M/LTM lens has the largest number of blades
> >    (to form the diaphragm)?
> >(2) Which RF/VF lens has more blades than Leica lenses?
>
> There was a version of the 2/50 Summitar with 12 or 15 blades.  This
> PROBABLY takes the cake.  I do not know of any other production camera =
lens
> with more.
>
> Marc
>
>
> msmall@roanoke.infi.net  FAX:  +540/343-7315
> Cha robh bas fir gun ghras fir!
>
>
> ------------------------------
>
> From: Carl Socolow <csocolow@microserve.net>
> Date: Sat, 06 Dec 1997 11:16:56 -0500
> Subject: Re: [Leica] Lens construction
>
> At 12:34 AM 12/6/97 EST, you wrote:
> >I was comparing a current M-50/2 (w. pull-out hood) and a 35/2 ASPH =
to
> >early-1970's versions and noted that I couldn't find any setscrews or
> >retaining-rings on the current versions (although current 90/2 and the=
 new 21
> >ASPH do have them evident) except for the ones affixing the rear
> lensmount.  I
> >remember someone of some authority saying that some of the newer lense=
s are
> >held together with cement, and that they tend to come loose with use. =
 In the
> >dental field we use some phenomenal cements and resin-bonding material=
s which
> >withstand extreme forces and a humid environment as well if not better=
 than
> >mechanical fasteners, but I would like to inquire if any users out the=
re have
> >experienced problems with newer lenses coming loose?
> >
> >Doc
> >
> >
>
> Doc,
>
> My 35 Summicron (version just before the Asph) has a loose front sectio=
n
> just in front of the aperture ring. Probably because I rely too much =
on
> using the lensshade to bayonet the lens on and off. I'm told that it's =
a
> simple matter of re-gluing it and that I should discontinue my bad
> practices. Oh well...
>
> Carl S.
> "He who makes a beast of himself gets rid of the pain of being a man."
> Francois Villon.
>
> ------------------------------
>
> From: Claes Bjerner <claes.bjerner@pi.se>
> Date: Sat, 6 Dec 97 18:29:34 -0000
> Subject: [Leica] Hologon & Leica prices in Tokyo
>
> I just returned home to Sweden after my annual visit to Tokyo. Have =3D
> been off the list for three weeks, but the first message I received =3D
> from LUG after my re-subscription is about how a Japanese guy who =3D
> offers mint and boxed Leica M6 bodies and lenses for very low prices.

>
> Truth is that the Leica prices in Tokyo today are lower than ever =3D
> before. My favorite store, MAP Camera in Shinjuku, now offers the M6 =
=3D
> for 180 000 yen! With today=3DB4s rate at 130 yen to the dollar that =
=3D
> equals US$1385.
>
> >1)M6 BLK NO 217XXXX 1290.00 US$(Boxed)
> >2)M6 Chr NO 200XXXX 1350.00 US$(Boxed)
> >3)Summicron 35 BLK NO 363XXXX 625.OO US$(Hood,Boxed)
> >4)Summicron 35 chr NO 364XXXX 650.OO US$(Hood,Boxed)
> >5)Elmarit 21/2.8 NO 357XXXX 1175.00 US$(Hood,Boxed)
>
> These items offered on the LUG-list sound like fairly decent demo =3D
> equipment considering the prices.
>
> No, I didn=3DB4t buy anything Leica this time in Tokyo. Well, I picked =
=3D
> up an additional US made M-grip for US$60.
>
> One of my many reasons for going to Tokyo was to buy a converted =3D
> Zeiss 16mm Hologon, but when my old friend, Yasuo Takahashi at Sukiya =
=3D
> Camera in Ginza, offered me his demo Hologon plus his demo Contax G2 =
=3D
> for less than US$2200 - how could I resist?
>
> When I proudly showed my wife the new Contax set she immediately =3D
> decided to "share it" with me. She bought two more Contax lenses. One =
=3D
> 45mm Planar and one 28mm Biogon. My wife already has five  autofocus =
=3D
> Minolta system cameras, but she thinks they are to "heavy and =3D
> clumsy". How can a range finder fan argue against that? Next step is =
=3D
> to get her a new body as well. A new Contax G2 body that is! I want =3D
> my Hologon lens to stay permanently on my G2. When I=3DB4ve seen my =3D
> slides I will give you a more precise evaluation of the Hologon.
>
> All I can say before I=3DB4ve seen the results is that the Hologon is =
a =3D
> very awkward lens in many respects.It=3DB4s certainly not an everyday =
=3D
> lens. But in the right situations it is the only one.
>
> ------------------------------
>
> From: Claes Bjerner <claes.bjerner@pi.se>
> Date: Sat, 6 Dec 97 18:29:32 -0000
> Subject: [Leica] Tim Page & Requiem
>
> While in Tokyo recently I went to the photo exhibition "Requiem to =3D
> the photographers who died in Vietnam and Indochina".
>
> Those pictures really grabbed me. Not only because many of them were =
=3D
> taken by old friends of ours but the photographs themselves serve as =
=3D
> a very painful reminder of a tragedy that too many of us still tend =3D
> to glorify as the ultimate Photographer=3DB4s War.
>
> Many of the pictures have never been shown before in the free world =3D
> since they were shot by North Vietnamese and VC photographers. =3D
> However, none of those pictures show the real horrors of the war. If =
=3D
> anything they really tried to glorify the communist efforts. They =3D
> don=3DB4t show vietnamese soldiers crying in pain or fear or mutilated =
=3D
> vietnamese bodies. They all seem to have a simple propaganda purpose, =
=3D
> while all of the western photographs show the true ugly face of that =
=3D
> particular war.
>
> Horst Faas and Tim Page have done a real great job with this =3D
> exhibition and the book. The japanese version of the book is =3D
> absolutely beautiful. It sells for just US$45. But I=3DB4ll wait for =
=3D
> the english version.
>
> Claes
>
> ------------------------------
>
> From: WILLIAM CALDWELL <sneeker@erols.com>
> Date: Sat, 06 Dec 1997 14:54:04 -0500
> Subject: Re: [Leica] Requiem, authors: Faas & Horst
>
> Claes wrote:
>
> Snip
> > Horst Faas and Tim Page have done a real great job with this exhibiti=
on=3D
>  and the book. The japanese version of the book is absolutely beautiful=
. =3D
> It sells for just US$45. But I=3DB4ll wait for the english version.
> >
> Snip
>
> The English version of this book is available for US$65 in the book
> store at the Newseum, 1101 Wilson Boulevard, Arlington, VA 22209
> <www.newseum.org>, 888.NEWSEUM (toll free) or 703.284.3544.=3D20
>
> The photo exhibition is presently showing at this new museum funded by
> the Freedom Forum.  It and the book are spectacular!  I plan to go back
> again.  The book, Fass, Horst -- "Requiem: by the Photographers Who Die=
d
> in Vietnam and Indochina" (First ed. 1997) is published by Random House
> New York and has Library of Congress no. ISBN 0-679-45657.  Random Hous=
e
> has an E-mail address: <www.randomhouse.com>.  The 336 page book, with
> b&W and some color images, is truly worth the dollars.
>
> Bill Caldwell
> <sneeker@erols.com>
>
> ------------------------------
>
> From: "Thomas J. Donovan" <75674.3465@compuserve.com>
> Date: Sat, 6 Dec 1997 13:39:37 -0500
> Subject: [Leica] Leica's diffraction limited lenses
>
> Eric Welch,
>
>         >>As far as I know, Leica has only two diffraction limited lens=
es<<
>
>   >>Seems to me diffraction limited is when the lens has optimum apertu=
re<<
>                                                       >>wide open<<
>
> Per "Leica Fotografie", 8/93. page 27; " The optical performance of the
> lens (280 f4) at full aperture is so remarkable that f4 can actually =
be
> used as the "optimum" working aperture. Indeed, stopping down does not
> really enhance the performance to any appreciable degree".  Indeed, per=
 a
> LHSA meeting in Kentucky, as I recall, the folks (Lothar Kolsch?) from
> Leica Germany announced that the 280 f4 was a "diffraction" limited len=
s.
>
> Eric, sure seems like your definition is similar to that of Leica Germa=
ny!
> Given that the 280 f4 is one ( I own this one ) of the two; my guess =
on the
> 2nd lens ( based on
> looking for a similar pattern in the BAS charts ) might be:  a.) the =
R-180
> f2  b.) the R-70-180 APO (I own this one ).  c.) M-135 f4.  d.) the R-4=
00
> f2.8.  My guess would be that the second one is the R-180 f2 lens!
>
> Tom D.
>
>
>
> ------------------------------
>
> From: FIGLIO4CAP <FIGLIO4CAP@aol.com>
> Date: Sat, 6 Dec 1997 12:12:18 EST
> Subject: Re: [Leica] Lenses for B/W or Color
>
> In addition to an M and and R outfit I also a fairly large collection =
of
> Pentax lens of both screw and K - mount vintages. Some of the Pentax =
lenses
> measure quite a bit better on resolution charts and at infinity than =
do the
> Leica lens, with the exception of the 2.8 Elmarit series (35, 60, 90, =
135) for
> the R. However color and black and photos have more depth and interest =
in them
> with the Leica lens. I lived through most of the "transistion" from the
> primary concern with resolution to contrast (thus the MTF method  of =
lens
> evaluation which I think Leica pioneered was developed). I do know that=
 finer
> details show up with Tech Pan with some of the Pentax lenses and I use =
them if
> that is the goal of the exercise. However, if overall picture quality =
is the
> aim, then the Leica lenses are the obvious choice.
> The color v. BW issue arose in the marketplace, I think, with the rapid=
 rise
> of color print film and the widespread ease of processing that material=