Archived posting to the Leica Users Group, 2008/03/04

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Subject: [Leica] Narrow DoF on the Leica E-3
From: leica at screengang.com (Didier Ludwig)
Date: Tue Mar 4 13:35:17 2008
References: <200803041501.m24EtxJT018223@server1.waverley.reid.org> <Pine.LNX.4.62.0803041225340.17368@mail.2alpha.com> <47CDBF85.1000908@tele2.fr>

IMHO opening one aperture stop means getting the double light?
So from 1.4 to 2 you should get half of the light?
Didier

>from 1.4 to 2 you do get "about 1/3 more light"  (well a little over, but 
>not much more) or am I mistaken? 


Replies: Reply from hoppyman at bigpond.net.au (G Hopkinson) ([Leica] Narrow DoF on the Leica E-3)
In reply to: Message from pklein at 2alpha.net (Peter Klein) ([Leica] Narrow DoF on the Leica E-3)
Message from philippe.amard at tele2.fr (Philippe AMARD) ([Leica] Narrow DoF on the Leica E-3)