the last word

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Search Results for: star eater

a7SII star-eater workaround

January 9, 2018 JimK 8 Comments

A few weeks ago, I published a way to circumvent the star-eater spatial filtering that the Sony a7RII with current firmware silently switches to for exposures of longer than 3.2 seconds. Several people asked me if that trick worked with the a7SII. I didn’t know, and couldn’t find out since I had no access to that camera…. [Read More]

The Last Word

a7RIII star-eater questions answered

December 18, 2017 JimK 1 Comment

This is a continuation of a series of posts on the Sony a7RIII.  You should be able to find all the posts about that camera in the Category List on the right sidebar, below the Articles widget. There’s a drop-down menu there that you can use to get to all the posts in this series. You… [Read More]

a7RIII

Sony a7RII star-eater workaround

December 18, 2017 JimK 31 Comments

This is a continuation of a series of posts on the Sony a7RIII.  You should be able to find all the posts about that camera in the Category List on the right sidebar, below the Articles widget. There’s a drop-down menu there that you can use to get to all the posts in this series. You… [Read More]

The Last Word

a7RIII star-eater green channel histograms

November 22, 2017 JimK 7 Comments

This is the sixth in a series of posts on the Sony a7RIII (and a7RII, for comparison) spatial processing that is invoked when you use a shutter speed of longer than 3.2 seconds. The series starts here. A reader made this comment to an earlier post. My analysis of raw files and the “pixel pairing” artifact… [Read More]

a7RIII

Leica Q2 Monochrom vs GFX 50S — Siemens star

May 14, 2022 JimK 7 Comments

This is the second post in a series about the Leica Q2 Monochrom. You can see all the other posts in the series by looking in the Category List drop-down menu on the right side of the page. Aside from the one-stop increase in speed, which is undisputable, the putative advantage of monochrome capture is… [Read More]

GFX 50S, Leica Q2 Monochrom

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  • About
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  • Good 35-70 MF lens
  • How to…
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    • Examples
      • Bad and OK 200-600 at 600
      • Excellent 180-400 zoom
      • Fair 14-30mm zoom
      • Good 100-200 mm MF zoom
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      • Good 100mm lens on P1 P45+
      • Good 120mm MF lens
      • Good 18mm FF lens
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      • Good 24-70 FF zoom
      • Good 35 mm FF lens
      • Good 60 mm lens on IQ3-100
      • Good 63 mm MF lens
      • Good 65 mm FF lens
      • Good 85 mm FF lens
      • Good and bad 25mm FF lenses
      • Good zoom at 24 mm
      • Marginal 18mm lens
      • Marginal 35mm FF lens
      • Mildly problematic 55 mm FF lens
      • OK 16-35mm zoom
      • OK 60mm lens on P1 P45+
      • OK Sony 600mm f/4
      • Pretty good 16-35 FF zoom
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      • Tilted 20 mm f/1.8 FF lens
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    • Found a problem – now what?
    • Goals for this test
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    • Theory of the test
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  • Previsualization heresy
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  • Using in-camera histograms for ETTR
    • Acknowledgments
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    • Normal in-camera histograms
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    • Shortcuts to UniWB
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