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