Yesterday I published a post that took a set of Sigma Foveon silicon spectral responses and a hot mirror spectral transmission spectrum, calculated an optimal compromise matrix, and evaluated the color accuracy of the camera using the Macbeth CC24 patch set for both training and evaluation. A reader questioned the accuracy of the curves supplied… [Read More]

I’ve been looking at ways to tame the excessive sharpening that Sigma Photo Pro introduces to images from the Merrill cameras, and I’ve discovered a really good workaround. During a discussion of that scheme, a reader suggested that I look at the Merrill colors. A long-time DPR member whose handle is xpatUSA provided me with… [Read More]

This is the 46th in a series of posts on the Hasselblad X2D 100C camera and the XCD lenses. You will be able to find all the posts in this series by looking at the righthand column on this page and finding the Category “X2D”. In informal testing the background bokeh of the Hasselblad XCD… [Read More]

This is the 43rd in a series of posts on the Hasselblad X2D 100C camera and the XCD lenses. You will be able to find all the posts in this series by looking at the righthand column on this page and finding the Category “X2D”. Some casual shooting with the new 90/2.5 XCD lens left… [Read More]