Archived posting to the Leica Users Group, 2009/11/19

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Subject: [Leica] Thought question re antialiasing
From: hopsternew at gmail.com (Geoff Hopkinson)
Date: Fri, 20 Nov 2009 14:44:22 +1000
References: <494971.52240.qm@web83908.mail.sp1.yahoo.com> <20091120032721.GA2535@d242.scdc1.swarthmore.edu> <4796FFE1-49FB-45D9-8E75-A381DCB355E3@ameritech.net> <20091120035749.GB2535@d242.scdc1.swarthmore.edu>

My assumption also. Perhaps there is info on this available from Kodak, or
Dante has it already? Interesting technically anyway.

2009/11/20 Tim Gray <tgray at 125px.com>

> On Thu 19, Nov'09 at 10:37 PM -0500, Dante Stella wrote:
>
>> They do span more than one pixel - that's why they're called offset.  And
>> that is why I asked.
>>
>
> Ahh, I wasn't aware that they did that.  I interpreted the offset
> microlenses as not being centered directly over a pixel, but still 
> funneling
> in light into just one pixel.  Thus, enabling light to come in at more
> oblique angles and still be captured.  I drew an ascii diagram, but I'm 
> sure
> most everyone's mail client will mangle it, unless you have monospaced
> fonts.
>
> -------
> \     |
>  \    | <- offset lens
>  \___|
>   |  | <- pixel
>   ----
>   As opposed to
>
> -------
> \     /  <- non-offset lens
>  \___/
>  |  |  <- pixel
>  ----
>
>
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>



-- 
Cheers
Geoff
http://www.pbase.com/hoppyman


Replies: Reply from dstella1 at ameritech.net (Dante Stella) ([Leica] Thought question re antialiasing)
In reply to: Message from dstella1 at ameritech.net (Dante Stella) ([Leica] Thought question re antialiasing)
Message from tgray at 125px.com (Tim Gray) ([Leica] Thought question re antialiasing)
Message from dstella1 at ameritech.net (Dante Stella) ([Leica] Thought question re antialiasing)
Message from tgray at 125px.com (Tim Gray) ([Leica] Thought question re antialiasing)