Support our Sponsors, they keep FADU free:   AG Photographic   Keyphoto   The Imaging Warehouse   Process Supplies   RH Designs   RK Photo   Second-hand Darkroom Supplies   Silverprint Ltd

Notices

Go Back   Film and Darkroom User > Search Forums

  ***   Click here for the FADU 2015/2014 Yearbooks   ***

Showing results 1 to 1 of 1
Search took 0.01 seconds.
Search: Posts Made By: Sandeha Lynch
Forum: Cameras - medium format 30th June 2009, 08:16 PM
Replies: 5
Views: 3,495
Posted By Sandeha Lynch
I haven't used tubes for a while but roughly...

I haven't used tubes for a while but roughly speaking if you double the focal length of the lens you increase exposure by two stops.

There are formulae and calculators on the web for large...
Showing results 1 to 1 of 1

 
Forum Jump

All times are GMT. The time now is 02:22 PM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.