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You are here: Home / Archives for Nikon Z6/7

Z mount and long lenses — practical examples

September 10, 2018 JimK 3 Comments

The question before the house is still, “Does the Z mount offer advantages over the F mount for long lenses?” Yesterday, I showed you how the Z mount and F mount interacted with very simple long lenses. It looked like the Z mount helped give the corners of the sensor a better view of the… [Read More]

Nikon Z6/7

Does the Z mount help with long lenses?

September 9, 2018 JimK 4 Comments

Some have said that the New Nikon Z mount makes things better only for short lenses, and affords no advantage for long ones. In order to test that, I constructed the following model: We are looking at the diagonal of the sensor, which is 42.3 mm. In order to get the opening available for the… [Read More]

Nikon Z6/7

Nikon Z6 and Z7

August 28, 2018 JimK 11 Comments

I watched the masterful Nikon teaser campaign. I’ve read a lot of announcement material. I’ve been amazed at the interest on the ‘net. And I see utility for my own photography. So, for those who are wondering – whether you prodded me or not – I’m announcing that I will be testing at least the… [Read More]

Nikon Z6/7

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Articles

  • About
    • Patents and papers about color
    • Who am I?
  • How to…
    • Backing up photographic images
    • How to change email providers
    • How to shoot slanted edge images for me
  • Lens screening testing
    • Equipment and Software
    • 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
      • Good 24-105 mm FF lens
      • Good 24-70 FF zoom
      • Good 35 mm FF lens
      • Good 35-70 MF 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
      • Pretty good 90mm FF lens
      • Problematic 400 mm FF lens
      • Tilted 20 mm f/1.8 FF lens
      • Tilted 30 mm MF lens
      • Tilted 50 mm FF lens
      • Two 15mm FF lenses
    • Found a problem – now what?
    • Goals for this test
    • Minimum target distances
      • MFT
      • APS-C
      • Full frame
      • Small medium format
    • Printable Siemens Star targets
    • Target size on sensor
      • MFT
      • APS-C
      • Full frame
      • Small medium format
    • Test instructions — postproduction
    • Test instructions — reading the images
    • Test instructions – capture
    • Theory of the test
    • What’s wrong with conventional lens screening?
  • Previsualization heresy
  • Privacy Policy
  • Recommended photographic web sites
  • Using in-camera histograms for ETTR
    • Acknowledgments
    • Why ETTR?
    • Normal in-camera histograms
    • Image processing for in-camera histograms
    • Making the in-camera histogram closely represent the raw histogram
    • Shortcuts to UniWB
    • Preparing for monitor-based UniWB
    • A one-step UniWB procedure
    • The math behind the one-step method
    • Iteration using Newton’s Method

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