the recorded image from smaller digital format
will have slightly more DOF. The resolution
of the prints made from each depends on the
lens and sensors, but in general the film full frame
would have higher resolution in most cases.

JC O'Connell
[email protected]
 


-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of
Joseph McAllister
Sent: Tuesday, April 21, 2009 11:54 AM
To: Pentax-Discuss Mail List
Subject: Re: Macro


On Apr 21, 2009, at 01:54 , AlunFoto wrote:

> 2009/4/21 Patrick Nelson <[email protected]>:
>> Thanks for the answer. I agree with what you are saying but I think
>> my
>> question is as follows. Assuming I needed 1:1 to fill the frame on  
>> film with
>> a specific subject I would obviously need to back off a bit and a  
>> lower
>> magnification to fill the frame on digital with the same subject. I  
>> would
>> now be working at less than life size would I not? Is this  
>> difference also a
>> factor of 1.5 like on telephoto?
>
> Yes. :-)
> Jostein

Is it not also true that if you make an 8x10 from the film 1:1, and an  
8x10 from the digital image, they will both show full size images, or  
full "frame" and be essentially the same?

Or are we going to throw the resolution of the negative vs the  
resolution of the sensor into the equation?

(I know that optically the image thrown on the sensor will be smaller  
[x.667] than the image on the film)

Joseph McAllister
Lots of gear, not much time

http://gallery.me.com/jomac
http://web.me.com/jomac/show.me/Blog/Blog.html


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