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Archives for December 2021

GFS 50S high-ISO behavior and LrC development

December 31, 2021 JimK 4 Comments

The GFX 50S, GFX 50R, and GFX 50S Mk II all stop increasing gain for raw file data at ISO 1600. From then on they brighten the finder image and the JPEG preview image in the raw file, and send instructions to the raw developer to do a push to make the brightness match that… [Read More]

GFX 50S

Arca Swiss C1 head review

December 30, 2021 JimK 3 Comments

Since I’ve been reviewing geared heads, I might as well include what I consider to be the gold standard, the Arca Swiss C1.                   If you can deal with the weight and the cost, and the fact that it’s a bit fragile, this is an outstanding geared… [Read More]

The Last Word

Swebo precision geared head

December 30, 2021 JimK Leave a Comment

If you want a very precise tripod head with geared pitch, yaw, and roll, this may be your head.             Appears to be well made. About $700. If you need the precision, it’s worth the money.      

The Last Word

Swebo Gon 3D Worm Geared Leveling Goniometer

December 30, 2021 JimK Leave a Comment

This is a head much like the Arca Swiss 60/70 heads. It’s about the same size as the 60 that I reviewed in the previous post. It is rated for 10 kg, in comparison to 20 for the 60 and 30 for the 70. It has plus and minus 15 degrees of pitcha nd roll,… [Read More]

The Last Word

Arca-Swiss Core 60 Leveler Classic geared head

December 30, 2021 JimK 1 Comment

Next up in my review of geared tripod heads is the Arca-Swiss Core 60 Leveler Classic. This head has a load capacity of 20 kg, plus and minus ten degrees of geared pitch and geared roll, and has non-geared yaw at both the top and the base. It’s the little brother of the Arca-Swiss Core… [Read More]

The Last Word

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Articles

  • About
    • Patents and papers about color
    • Who am I?
  • Good 35-70 MF lens
  • How to…
    • Backing up photographic images
    • How to change email providers
  • 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 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

Category List

Recent Comments

  • Mal Paso on Christmas tree light bokeh with the XCD 38V on the X2D
  • Sebastian on More on tilted adapters
  • JimK on On microlens size in the GFX 100 and GFX 50R/S
  • Kyle Krug on On microlens size in the GFX 100 and GFX 50R/S
  • JimK on Hasselblad X2D electronic shutter scan time
  • Jake on Hasselblad X2D electronic shutter scan time
  • Piotr Chylarecki on Who am I?
  • JimK on Who am I?
  • Piotr Chylarecki on Who am I?
  • Stefan on Swebo TC-1 OOBE

Archives

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