Digital BW, The Print

on 4/23/02 8:02 PM, Paul Roark wrote:

> So, I have asked both here and elsewhere, "What is linear" -- how does one
> find the theoretical middle of our visual response.  I have received no
> adequate responses.

As a follow up to my last post, this might be all you need, at least WRT
determining what is a linear ("industry standard") step wedge:

http://www.stouffer.net/R2110spec.htm

Todd