No Monthly Fee Debit Card
Post-process +3 EV in raw software, yet no noise in darks. That's what's better about Sigma SD14 ISO 50, compared to ISO 100 and above.

ExpoDisc 4"x4" held up to lens, camera facing light source, for custom white balance shot. In raw software(gimp ufraw-plugin based on dcraw), set blackpoint. No levels, no eye-dropper black/gray/white. ExpoDisc and cwb just work.