Archived posting to the Leica Users Group, 2013/01/07

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Subject: [Leica] any Sony rx 1 users
From: red735i at verizon.net (Frank Filippone)
Date: Mon, 07 Jan 2013 22:01:17 -0800
References: <CAJ3Pgh6bJ6PhdPf-3N_Lx2FiA_PLdKwV-32Z=EJ6my9YPk38gQ@mail.gmail.com> <CD10EE74.31B9%mark@rabinergroup.com> <CAJ3Pgh60E_+Nc=fDR1FOpu=A-UX3TNeuQdT+Pd_1-AyOGVdbPQ@mail.gmail.com> <175e01cded62$b6433c50$22c9b4f0$@verizon.net> <CAJ3Pgh4DB5bQQ_PA9G+G8oO6_AjVdwxdcwGajNDBPLEEsxGpMg@mail.gmail.com>

I asked because I read this aboui the Zeiss 21mm optics from Ken
Rockwell.....

"This f/4.5 lens is not for use on the LEICA M9 because its rear nodal point
is not in a position for which the M9's internal lens profiles can
compensate. If you're shooting an M9, get the Zeiss 21mm f/2.8 ZM or LEICA
ELMARIT-M 21mm f/2.8 ASPH instead, because their rear nodal points are in
positions for which the 21 f/2.8 11134 profile compensates quite nicely.

If you use this f/4.5 lens on an M9, you'll get nasty color shifts on the
sides. Only an idiot would expend the effort to use special software to try
to compensate for this lens on an M9, when the Zeiss 21mm f/2.8 ZM or LEICA
ELMARIT-M 21mm f/2.8 ASPH work so much better - on the M9. If you have an
M9, whose value depreciates by thousands of dollars a year, you easily can
afford to buy any lenses you want, whose value only increases with time."

I fully understand that at times, Rockwell is not right.  In this case, what
is your experience with M9 corrections and color shifts?

Frank Filippone
Red735i at verizon.net


I have the 21 f/4.5.  I'm skeptical of fast optics, particularly wide
angles, that use only spherical elements.  Note that Zeiss has gone ASPH for
the Sony 35 f/2.

Paul




Replies: Reply from john at mcmaster.co.nz (John McMaster) ([Leica] any Sony rx 1 users)
Reply from roark.paul at gmail.com (Paul Roark) ([Leica] any Sony rx 1 users)
In reply to: Message from roark.paul at gmail.com (Paul Roark) ([Leica] any Sony rx 1 users)
Message from mark at rabinergroup.com (Mark Rabiner) ([Leica] any Sony rx 1 users)
Message from roark.paul at gmail.com (Paul Roark) ([Leica] any Sony rx 1 users)
Message from red735i at verizon.net (Frank Filippone) ([Leica] any Sony rx 1 users)
Message from roark.paul at gmail.com (Paul Roark) ([Leica] any Sony rx 1 users)