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Re: [OM] IMG: Macro Experiment with Leica-R 60 Elmarit Macro Lens--macro

Subject: Re: [OM] IMG: Macro Experiment with Leica-R 60 Elmarit Macro Lens--macrolandscape
From: Wayne Shumaker <om3ti@xxxxxxxx>
Date: Thu, 15 Oct 2020 18:50:21 -0700
At 10/15/2020 04:57 PM, Mike wrote:

><<Another option if using a bellows, keep the front standard fixed and focus
><<<using the rear standard.  I haven't a clue which option is the best !
>
>Yes!!!! Keeping the entrance pupil stable is the ultimate ideal for super deep 
>stacks.  Have always wanted to try some "macro-landscapes."  One way to do 
>that is to perform mount surgery on an OMZ 28mm lens and mount on a bellows.  
>I was planning to try with a similar T mount WA but ran out of time/steam.  
>
>
>https://forum.heliconsoft.com/viewtopic.php?f=9&t=1141
>
>http://www.photomacrography.net/forum/viewtopic.php?t=4879

The lens stays fixed coupled to a variable extension tube and since light falls 
off with extension, I am guessing the exposure is decreasing at close focus. 
Would that make combining the shots trickier? having to adjust exposure value 
before stacking, or use auto exposure in the camera?

WayneS

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