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Re: [OM] Zuiko 300mm 4.5 + 2X

Subject: Re: [OM] Zuiko 300mm 4.5 + 2X
From: ONLYOLY BW <ONLYOLYBW@xxxxxxx>
Date: Sun, 24 May 1998 15:17:28 EDT
In a message dated 98-05-24 14:55:35 EDT, 
<< > Second,  the DOF appears to be real thin
 >because the jump from 300 to 600 is subjectively really big.  

Marco you write:
 DOF should be the same, with a TC put between lens and camera. It is true
 you get a 600, but also that your apertures vary accordingly for giving you
 the same DOF.Marco >>

Snip!
Hi Marco,
The DOF with the 2XTC would be the same as F4.5 ---- right? Not f9, if he is
shooting the 300mm f4.5 wide open.
BW


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