Yesterday we saw that the Leica M240 is “ISO-less” five stops from full scale — moderate shadows in a normal outdoor scene. Today, I repeated yesterday’s testing, but two stops from full scale — the brighter parts of a normal outdoor scene, but short of the highlights. Actually, the blue channel is two stops from… [Read More]
Low-signal histograms at various ISOs — Nikon D4
At ISO 100, the D4 gives the kind of histogram you’d expect (I’m pretty sure the gaps in the red and blue histograms are due to digital white balance after the ADC: At ISO 200, there are also no surprises: At ISO 400: At ISO 800: At ISO 1600, a little over twice the Unity… [Read More]
Breaking up this blog
Some time ago I created a category this blog that I called “The Bleeding Edge”. I posted entries in that category that dealt with situations where technology did not perform as we all would wish. It grew to be very popular – even more popular than most of my photographic posts. That created a dilemma…. [Read More]
New iPad OOBE, part 4
Almost done with the iPad 3, unless something goes seriously wrong… People ask me, “Does it get hot?” Well, yes, hotter than either of its predecessors. It’s the inevitable result of pushing processor speed, communications speed, and display resolution faster than chip process improvements can shrink the feature size. It’s ultimately a dead end, and I… [Read More]
New iPad OOBE, part 3
It having been the requisite 72 hours since my Verizon cellular data account had been reprovisioned on the Verizon end, I called Verizon tech support again. I asked the first tech to transfer me to the iPad specialist. After a five minute wait, a new tech came on the line. He didn’t have any of… [Read More]
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