Formatt Hitech 127mm Red 25 Filter Impact SBF-O-20 Leica Vario-Elmarit-SL 24-90mm f/2

Leica Vario-Elmarit-SL 24-90mm f/2

and a pair of Polsen HPC-A30 closed-back studio monitor headphones

GND (Ground)

pleasing out-of-focus elements is a circular 9-blade diaphragm

Formatt Hitech 127mm Red 25 Filter Impact SBF-O-20 Leica Vario-Elmarit-SL 24-90mm f/2Increases Black and White Contrast Effect Corresponds to Wratten 25 Filter Significantly Darkens Blue Tones Lightens Red and Orange Tones Reduces Haze in Daylight 8x Filter Factor, +3 Stop Schott Glass 127mm Front Filter Threads Aluminum Ring Greatly increasing contrast when working in black and white, this 127mm Red 25 Filter from Formatt Hitech is used to significantly darken cool and blue tones in order to heavily emphasize clouds and produce more