From the mailbag: …I didn’t see anything mentioned about variable droplet sizes. With 2880 you’re always using the smallest size droplet…where as with 1440 you are getting a mixture of large, medium, and small droplets. So sometimes 1440 can look smoother because of the way these various sized droplets “fit” together. Or that was the… [Read More]
More on Epson driver resampling
Warning. What follows is probably only of interest to the technically obsessed. In the last post I showed examples of printing a 720 ppi target with the Epson 3880 driver set to various options to prove that the “Finest Detail” checkbox controls whether the image is resampled to 360 ppi or 720 ppi. Interpreting the results means deciding whether the printer… [Read More]
Controlling resampling in the Epson driver
From the mailbag: Jim, I’ve been told that the Finest Detail feature applies to vector art/line art only. That it has no effect on bitmapped images at all. I gather your result contradicts that assertion? I’ve never done systematic testing of it. My tests with V- and H-stripes test images showed clearly (a few years back) that… [Read More]
Focusing, part 3
OK, so your autofocus works under controlled conditions, but you’re still getting some misfocused pictures. The camera thinks it’s focusing properly, but it’s not focusing on what you want. If it’s really dark, most likely that’s just the way it is; take comfort in the knowledge that, with modern DSLRs, the AF can focus in… [Read More]
Focusing, part 2
Where was I before I got distracted by all that resampling stuff? Oh, I remember: focusing. The first thing to do about focusing is to find out if the focusing aids in your camera are doing their job. Whenever I’d get a new autofocus lens, I used to take a newspaper, open it to a… [Read More]
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