Posted by Frank Glencairn on May 5, 2013 •
“I just stumbled over this while doing some tests. Looks like you get better DR when using a Fader-ND filter (probably any ND Filter) than stopping down the iris. So here is a quick and dirty test
I used the MTF BMC and a Samjang 24mm.
Heliopand fader ND and a Heliopan IR filter on top of it.”
See on frankglencairn.wordpress.com