I’ve been working on improving the presentation of the SNR versus ISO setting data, and on improving the precision of the data itself. On the latter point, the most effective thing that I’ve done to remove systematic errors is to keep the shutter speeds constant throughout a series of exposures, and make all the required… [Read More]
Search Results for: star eater
Stitched panos: slide or spin?
I’ve been following an email thread by some sophisticated and accomplished photographers that has touched on making stitched panos with (mostly) medium format technical cameras. The discussion has been almost entirely about lenses and backs/bodies that are appropriate to sliding panos. Since that’s not the way I make panos, I started wondering what I’m missing…. [Read More]
Testing for ETTR, part 8
In a comment to this post, a reader asked me to compare the ad hoc color balance adjustment technique that I developed a few days ago with the UniWB technique. I’d not been aware of that approach. It turns out the goal is the same: to get the in-camera histogram to approximate the true raw… [Read More]
Large format likes
Doing slit scan photography has thrust me back into the world of large-format picture taking, a world that I once knew well. It’s also forced me to confront the pleasures and pains of using a scanning back, but that’s a discussion for another post. Some aspects of large-format photography haven’t changed much over the years,… [Read More]
Cutting the laser printer cord
For 25 years, I’ve always had a laser printer at my disposal. I got my first one, the original Hewlett-Packard LaserJet, in 1984. I was handling the technical integration between Rolm and IBM at the time, and I was writing a lot of memos. I used an IBM PC and Microsoft Word for that. Rather… [Read More]
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