Archived posting to the Leica Users Group, 2001/04/05

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Subject: [Leica] Re: Pinhole photos thru body cap?
From: Henning Wulff <henningw@archiphoto.com>
Date: Thu, 5 Apr 2001 23:17:45 -0700
References: <3.0.5.32.20010323061203.00a73100@pacific.net.sg> <006201c0bdfa$0be67460$25bf91d8@cbsi> <3ACCDF9B.952168F3@rabiner.cncoffice.com> <002501c0be1e$85b1eb20$953d18d1@PACBELL.NET> <4.1.20010405164326.01bbf830@xsj02.sjs.agilent.com>

At 4:47 PM -0700 4/5/01, Jim Brick wrote:
>At 04:02 PM 4/5/01 -0700, Mark Rabiner wrote:
>>Tom Schofield wrote:
>>>
>>>  The focal length of the body-cap pinhole device is, obviously, dependent on
>>>  lens flange to film plane distance, which is about 30mm for the M mount
>>>  version, and the SLR models are longer focal length.  So, if you 
>>>are looking
>>>  for the traditional wide angle pinhole look, the M version is the 
>>>way to go.
>>>
>>>  Tom S.
>>>
>
>I think they used a Matel computer to do the ray tracing... No coma or
>astigmatism. Lots of diffraction. Tons of diffraction. Hell, it's all
>diffraction. You get the rays that make it through without hitting the wall.
>
>And still looks like a pinhole image!
>
>I want a multicoated T* pinhole lens cap.
>
>Jim

I guess that T* coating would have to go on the UV filter, right?

- -- 
    *            Henning J. Wulff
   /|\      Wulff Photography & Design
  /###\   mailto:henningw@archiphoto.com
  |[ ]|     http://www.archiphoto.com

In reply to: Message from D Khong <dkhong@pacific.net.sg> (Re: [Leica] FS: 90mm LENSES)
Message from "Jim" <jimlong@inwave.com> ([Leica] Pinhole photos thru body cap?)
Message from Mark Rabiner <mark@rabiner.cncoffice.com> (Re: [Leica] Pinhole photos thru body cap?)
Message from "Tom Schofield" <tdschofield@email.msn.com> (Re: [Leica] Pinhole photos thru body cap?)
Message from Jim Brick <jim_brick@agilent.com> ([Leica] Re: Pinhole photos thru body cap?)