Diffraction Calculator Update I've updated the Visible Diffraction Calculator for Digital Cameras to provide more refined results. This free tool allows you to select your camera, your infrared filter, and then calculate how much visible diffraction will appear in your images at various ƒ-stops. Diffraction calculator with whole-stop increments The original version allowed you to view the results in whole ƒ-stop increments. This update allows you to view results in either whole or 1/3-stop...

780nm Infrared Filter The 780nm infrared filter sits right on the edge of visible and infrared light. Here are my real-world results using the Kolari K780 Pro Slim G3 on a full-spectrum-converted Fujifilm X70, including expected exposure times, how color behaves, and why this filter shines for monochrome images. I also compare the 780nm look to popular 720nm and 830/850nm filters, so you can choose the right one for the kind of infrared images you want. Kolari Vision Infrared Lens Filter...

665 nm Infrared Filter Discover why the 665-nanometer infrared filter might be the only infrared filter you need. This versatile high-pass filter captures red visible light and near-infrared light, giving you incredible flexibility in post-processing. Whether you want to create stunning monochrome images with white foliage and deep blacks or vibrant color infrared photos with blue skies, the 665 nm filter has you covered. Learn how this filter compares to 550, 590, 720, and 780 filters. All...