Finding the right glass for the Irix 15mm f/2.4 can be a daunting task due to its massive 95mm front filter thread. As a landscape photographer who has lugged this lens across jagged coastlines, I know that poor-quality filters can ruin its legendary sharpness. While many wide-angle lenses require bulky adapters, the Irix offers both…
Finding the right Neutral Density filter for the Irix 15mm f/2.4 Blackstone is a notorious challenge due to its massive 95mm front thread and ultra-wide field of view. Most standard kits simply won’t fit, and poor-quality glass will quickly ruin the Blackstone’s legendary sharpness. After years of shooting dramatic coastal long exposures with this specific…
Finding a variable ND filter for the Irix 15mm f/2.4 is a notorious challenge because of its massive 95mm filter thread and ultra-wide field of view. Most filters at this size either introduce a nasty “X-pattern” or degrade that surgical Irix sharpness. After testing several options on my own 15mm setup, I’ve found that the…
Finding a square filter holder for the Irix 15mm f/2.4 is notoriously tricky due to its massive 95mm front thread and ultra-wide field of view. Most standard 100mm systems cause heavy vignetting, forcing photographers toward bulky 150mm setups. After testing various rigs in the field, I’ve found that the Irix Edge IFH-100-PRO is the definitive…