In the previous post I looked at lots of ways to display histograms. In this one, I’m going to take a scene with normal outdoor contrast, and look at the relevant histograms. Here’s the scene, as captured by a Hasselblad X2D with a 90 mm XCD lens, at close to ETTR (more on that later),… [Read More]
Archives for 2023
A deep dive into histograms
Around the turn of the 20th century, Karl Pearson, an English mathematician and statistician, invented the histogram as a way of presenting data. Originally, the histogram was a kind of bar chart, with the x-axis divided into intervals — now called buckets or bins — and a bar for each bin indicating how many items… [Read More]
My lack of productivity
Some of you may have been wondering what’s happened to my productivity. No new photo test results for three months. What’s going on? I had hoped to delay the story behind that until I had good news to report, but DPR’s impending demise means that this may be the end of my time in being… [Read More]
Christmas tree light bokeh with the XCD 38V on the X2D
This is the 41st 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”. I previously reported on how the oddball mechanical shutter in… [Read More]
The report on the CXD 90V will be delayed
In the last post, I said that Hasselblad was shipping me a XCD 90V lens to review. When I wrote that post, we had not worked out when I’ll be able to publish the results. Now we have, and Hasselblad wants me to hold the review until they give the word. So there will be… [Read More]
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