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You are here: Home / Archives for a7RII

Moving away from Sony cameras

May 2, 2022 JimK 15 Comments

I’ve been using Sony cameras for well over ten years. When they came out with the NEX series of APS-C MILCs, I was all over them. I fully committed when they introduced the alpha series of FF MILCs. The Sony FF cameras, I have owned: a7R a7 a7RII a7II a7RIII a7RIV a9 a9II RX1R I’ve… [Read More]

a7III, a7RII, a7RIII, a7RIV, a9, a9II

a7III, a7RIII, a7II, a7SII, a9 PDAF striping

March 16, 2018 JimK 10 Comments

Rishi Sanyal of DPR made some test exposures of a centrally-positioned circular light source with several cameras: the Sony a7III, a7RIII, a7II, a7SII, and a9. In all cases, he used a Sony 85/1.8 wide open. The exposure was set to expose the light source sufficiently far so as to generate a lot of flare. I put… [Read More]

a7III, a7RII, a7RIII, a9

a7RII AF-S accuracy with Batis 85/1.8

January 19, 2018 JimK Leave a 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; just… [Read More]

a7RII, a7RIII

Sony a7RII long exposure battery current draw

December 20, 2017 JimK 2 Comments

I’ve been made aware of an objection to the Sony a7RII star-eater workaround that I documented in this post. A poster on Fred Miranda claimed that using continuous mode would result in greater sensor heating (and therefore more read noise) than using single shot mode. That didn’t seem right to me, but things that seemed nearly self-evident… [Read More]

a7RII, Star-Eater

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Articles

  • About
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  • Good 35-70 MF lens
  • How to…
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  • Lens screening testing
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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
      • Good 100-400 zoom
      • 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
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      • Marginal 18mm lens
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      • Mildly problematic 55 mm FF lens
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      • OK 60mm lens on P1 P45+
      • OK Sony 600mm f/4
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  • Previsualization heresy
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