Archived posting to the Leica Users Group, 1998/08/11

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Subject: [Leica] 75/1.4 versus 90/2.0
From: "Richard Clompus" <rclompus@voicenet.com>
Date: Tue, 11 Aug 1998 13:43:33 -0400

Dear Fellow LUGnuts,

One of my areas of interest is to take portraits of my family and friends.
I use both the R8 and 100/2.8 apo lens and an M6 with 90/2.0 lens.  I
actually like the optics of the 90 better than the 100 apo.  Sometimes the
apo is "too accurate" in resolving facial details blemishes and fine lines.
The 90 used wide open delivers a wonderful image with a narrow depth of
field.

My question:  Does the 75/1.4 M lens provide a significantly more narrow
depth of field for portrait work than the 90/2.0  when both lenses are used
with their maximum apertures?  Even if there is a new 90 aspheric lens on
the horizon for the M series Leica, I'm not sure I want a 90 Summicron that
has the same ultra-high resolution as the the 100 apo for the R system.  I
guess I like my aberrations as they are.

Thanks.

Happy shooting,

Richard
Richard Clompus, OD
West Chester, PA, USA