Archived posting to the Leica Users Group, 2001/07/30

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: Re: [Leica] Some lens tests
From: Lucien <director@ubi.edu>
Date: Mon, 30 Jul 2001 13:16:26 +0200
References: <9DC5E2ABE65BD54CA9088DA3194461D604A9A082@BBY1EXM01>

Paul Chefurka wrote:
<http://members.home.net/chefurka/Photo/LensTests/LensTests.html>

<snip>
> I've generally been dissatisfied with the usual presentation of lens tests on the net.
> There seem to be too many uncontrolled variables,
> and the methodology is usually not rigorous enough.
<snip>
> The test image consists of the treelike behind my house,
> whose leaves make a very reasonable test subject.
<snip>
> All the test images were shot within half an hour on July 28, 2001.
> There was very little wind, so the leaves didn't blow around much
> between shots and there wasn't much chance of motion blur.
<snip>
> I believe the test demonstrates "sharpness".
<snip>

Paul,

Congratulations!

One of the best joke on the web.

;-)

Lucien


Paul Chefurka wrote:

> I just finished putting upo some lens test pages that I hope will be more interesting than controversial :-)
>
> Leica lenses: 28 Summicron, 35 Summilux ASPH, 50 Summicron, 90 APO Summicron, Tri-Elmar
> Nikon lenses: 50/1.8 AIS, 55/2.8 Micro, 85/2.0 AI
> Cosina lens: Voigtlander 90/3.5 APO-Lanthar.
>
> Mostly shot at two apertures, 4.0 and 8.0.  A complete description of the test methodology is on the opening page.  Have at it, folks.
>
> http://members.home.net/chefurka/Photo/LensTests/LensTests.html

In reply to: Message from Paul Chefurka <Paul_Chefurka@pmc-sierra.com> ([Leica] Some lens tests)