This animated cube contains the data in a 3D LUT: A Look-Up Table, as the name describes, is simply a large table of numbers. Given an input color RᵢGᵢBᵢ, you simply go to the corresponding row in the table and find your new color RⱼGⱼBⱼ. Each dot in the video is an RGB values (each […]
Archives for the Month of May, 2023
HDR light probes for cheap
Wednesday, 3 May 2023
TL;DR: A Ricoh Theta S can be had for under $60 on eBay. Combined with pfstools, you can easily capture HDRI environment maps and merge them into OpenEXR images. The Ricoh Theta S is Ricoh’s cheapest 360-degree camera that has automatic bracketing functionality. I bought mine for about $60 on eBay second-hand. The image quality […]
A look back at the Argus C44 rangefinder camera
Monday, 1 May 2023
The Argus C44 was not a particularly fancy camera. First sold in 1956, it was the latest and greatest (and last) in a line of Argus rangefinders. Most people who know the name Argus know it for the Argus C3, a boxy “everyman’s” camera, but consider that the very next year, Nikon released the famous […]