Archived posting to the Leica Users Group, 2014/12/14

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Subject: [Leica] IMG: stacked extenders!
From: john at mcmaster.co.nz (John McMaster)
Date: Sun, 14 Dec 2014 18:17:11 +0000
References: <6260531.1418517554016.JavaMail.root@mswamui-andean.atl.sa.earthlink.net> <D0B337A4.2E513%mark@rabinergroup.com>
 
280 * (1.4 * 2 *1.3 (APC-H)) = 1019mm

john

-----Original Message-----
From: LUG [mailto:lug-bounces+john=mcmaster.co.nz at leica-users.org] On 
Behalf Of Mark Rabiner
Sent: Monday, 15 December 2014 6:49 a.m.
To: Leica Users Group
Subject: Re: [Leica] IMG: stacked extenders!

So is that 280 * 3.25  = 910mm's ?


On 12/13/14 7:39 PM, "Doug Herr" <wildlightphoto at earthlink.net> wrote:

> Had to try it: 280mm f/4 APO + 1.4x APO-Extender-R + 2x APO-Extender-R 
> on the R8/DMR (on a big Gitzo braced against a 6" x 12" post)
> 
> http://www.wildlightphoto.com/birds/picidae/melanerpes/lewood04.html
> 
> Doug Herr
> Birdman of Sacramento
> http://www.wildlightphoto.com
> 
>
Replies: Reply from topoxforddoc at btinternet.com (Charlie Chan) ([Leica] IMG: stacked extenders!)
Reply from red735i at verizon.net (Frank Filippone) ([Leica] IMG: stacked extenders!)
 In reply to: Message from wildlightphoto at earthlink.net (Doug Herr) ([Leica] IMG: stacked extenders!)
Message from mark at rabinergroup.com (Mark Rabiner) ([Leica] IMG: stacked extenders!)