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Re: [OM] Spotted another rare CV 180 in OM mount --Big Foot'slonger brot

Subject: Re: [OM] Spotted another rare CV 180 in OM mount --Big Foot'slonger brother
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Thu, 04 Feb 2010 11:08:24 -0500
The fact that the size of the aperture can shift the position of the out 
of focus elements in the image was the big surprise.  I had a hard time 
swallowing that until I saw the ray tracings.

Chuck Norcutt


Piers Hemy wrote:
> I find it gets better each time I read it - a little bit more sinks in!
> 
> Piers 
> 
> -----Original Message-----
> From: Chuck Norcutt [mailto:chucknorcutt@xxxxxxxxxxxxxxxx] 
> Sent: 04 February 2010 15:36
> To: Olympus Camera Discussion
> Subject: Re: [OM] Spotted another rare CV 180 in OM mount --Big Foot'slonger
> brother
> 
> Thanks.  That was a good read.
> 
> Chuck Norcutt
> 
> 
> Piers Hemy wrote:
>> The PDF at this link:
>> <http://www.janrik.net/PanoPostings/NoParallaxPoint/TheoryOfTheNoParal
>> laxPoi nt.pdf> otherwise <http://tinyurl.com/NoPPoint> includes some 
>> discussion of the effects of off-centre diaphragms, which might give 
>> some clue to the effects of asymmetric diaphragms.
>>
>> Piers
>>
>> -----Original Message-----
>> From: Dawid Loubser [mailto:dawidl@xxxxxxxxxxx]
>> Sent: Thu, 4 Feb 2010 10:12:48 +0200
>> To: olympus@xxxxxxxxxxxxxxxxx
>> Subject: Re: [OM] Spotted another rare CV 180 in OM mount --Big 
>> Foot'slonger brother
>>
>> --snip
>>
>> Just of out interests' sake, does yours also have the asymmetrical 
>> diaphragm? I wonder how it affects out-of-focus rendition.
>>
>> Dawid
>>
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