I just put up a web page with the response curves for Pentax filters. http://www.robertstech.com/filters.htm I'll add more stuff to it later.
-- Mark Roberts Photography and writing www.robertstech.com
I just put up a web page with the response curves for Pentax filters. http://www.robertstech.com/filters.htm I'll add more stuff to it later.
-- Mark Roberts Photography and writing www.robertstech.com