Archives for 2016

A poster on DPR claimed that the contrast-detection autofocus (CDAF) and the focus peaking on the Sony a7x cameras are the result of the same hardware and software. I begged to differ, and offered the focus-peaking anisotropy that I’d demonstrated earlier as evidence. He said that the CDAF did that, too. Hmm… Looks like something… [Read More]

I’ve been out of the underwater photography game for a decade now, so it doesn’t happen very often anymore. But people who knew about my hobby used to come up to me at parties or corner me at some tropical resort and ask the question. Or sometimes people on dive boats, inexplicably undeterred by watching… [Read More]

This is the 33rd in a series of posts on color reproduction. The series starts here. There are a few loose ends in this Macbeth chart analysis work. One is: does the color space used to export the test image from the raw developer make a difference?  We already know that it does in the… [Read More]

This is the 32nd in a series of posts on color reproduction. The series starts here. It’s been a long, long road, but I’m finally ready to address the question that started this serial discourse on color reproduction, to wit: “What are the differences between Capture 1 and Lightroom default color conversions of Sony a7RII… [Read More]

Yesterday and today, I developed a few color images of the hills near my house.from exposures made in the past two weeks.