Archived posting to the Leica Users Group, 2011/11/02

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Subject: [Leica] 1.8 vs. 1.4!?!?
From: john at mcmaster.co.nz (John McMaster)
Date: Wed, 2 Nov 2011 22:47:05 +0000
References: <CAD73D25.16401%mark@rabinergroup.com>
 
I think f1.7 is a half stop, f1.6 would be 1/3 stop
https://en.wikipedia.org/wiki/F-number

john

________________________________________


I looked up f 1.8 vs. 1.4 thinking it was between a half and a quarter of a
stop and they are saying its 2/3rds!?!?! Anybody know that that's true?

Where is there a photo calculator that tells you these things?!?!?

--
Mark R.
Replies: Reply from mark at rabinergroup.com (Mark Rabiner) ([Leica] 1.8 vs. 1.4!?!?)
 In reply to: Message from mark at rabinergroup.com (Mark Rabiner) ([Leica] 1.8 vs. 1.4!?!?)