Archived posting to the Leica Users Group, 1997/03/30
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Would love to look at your web site and book whenever I can get a Web
browser to work on my 386DX40. Who is the publisher?
On 29 Mar 1997, Ted Grant wrote:
> Date: 29 Mar 97 12:40:20 EST
> From: Ted Grant <75501.3002@CompuServe.COM>
> To: "INTERNET:leica-users@mejac.palo-alto.ca.us"
<leica-users@mejac.palo-alto.ca.us>
> Subject: Re: Noctilux Review (English) by Erwin Puts
>
> Dr. Michael Volow wrote:
>
> <<<<<I would think that in dim light you would want increased local contrast
> (i.e. tonal separation) between adjacent tonal values, but reduced overall
> contrast between very bright and dim areas (or at least less flare from
> the bright areas.)>>>>>>
>
> Hello Michael,
>
> You are right on both counts, but I'm not sure it can be covered by the same
> lens within the same frame.
>
> If you were to have high contrast lighting conditions on the one hand, then the
> Noctilux will ease the contrast by "seeing into" the shadows, thus softening the
> contrast. But if you have a low contrast area within the same frame it isn't
> likely to increase the contrast, but more than likely let you "see more" details
> within that area. I guess in that sense, better tonal separation, but not
> increasing the contrast.
>
> Not sure if this is too clear. :) If we were looking at photo situations it
> probably could be much easier to illustrate .
>
> Too bad we are not looking at my book "This is Our Work. The Legacy of Sir
> William Osler." Where examples from the OR and other medical related situations
> illustrate the Noctilux in action.
>
> Have a peek at the web page for the book. http://www.islandnet.com/~tedgrant
>
>
> ted
> Victoria, Canada
> http://www.islandnet.com/~tedgrant
>
>
>
Michael Volow, M.D. (mvolo@acpub.duke.edu)
Department of Psychiatry, Durham VA Medical Center, Durham, NC
919 286 0411 Ext 6933