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Re: [OM] More managed bokeh

Subject: Re: [OM] More managed bokeh
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Thu, 08 Jan 2009 08:29:46 -0500
You're right.  It won't fit if what you're talking about is a US ten 
cent piece.  US dimes are 18mm in diameter.  The 510's sensor is only 
13mm on the short side, 17.3mm on the long side.

Chuck Norcutt

Wayne Harridge wrote:
> 
> 
> 
>> Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
>>
>> If you allow me to be technical for a moment we actually have the same 
>> magnification (at the sensor).  We just blow it up twice as much such 
>> that we get 2X on the print.
>>
> 
> I want to fill the frame with the image of this 10 cent piece (dime ?) 
> sitting on my desk:
> I can use my OM-1 with a 100mm Kiron, or I can use my E-510 with my ZD 50/2, 
> with either combination the distance from the 10 cent piece to the "sensor" 
> plane will be the same (allowing +/- for differences in lens construction, 
> internal focussing, etc.), and also the working distance will be very similar.
> 
> I want to take a 1:1 macro image of a 10 cent piece sitting on my desk:
> The working distance for the E-510 ZD 50/2 combination will be about 1/2 that 
> of the OM-1 Kiron.  The image of the coin won't quite fill the frame of the 
> OM-1 and the image of the entire coin probably won't fit in the E-510 frame.
> 
> ...Wayne
> 
> Wayne Harridge
> 
> http://lrh.structuregraphs.com
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