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Newest blog posts

View all 6 related blog posts...

2020-10-18 Swing and Tilt: Subject Distance vs Lens Focusing Offset

2020-04-05 SARS-CoV-2 aka COVID-19: Humidity of 40% to 60% May be Ideal to Slow It, Low Humidity Might Enhance its Spread

2014-04-16 Sony A7R: A Practical Effort to Mitigate Shutter Vibration at 90mm

2014-01-23 Photographers Ask Sony to Address the A7R Shutter Vibration Issue

2013-12-20 Sony A7R Shutter Vibration: Can it Be Mitigated by Sony via Firmware Behavioral Change?

2009-08-02 Ultra wide angle lenses and sensor/lens-mount alignment

Most recent pages at other diglloyd sites:

See also 1 pages at windinmyface.com

2020-04-05 SARS-CoV-2 aka COVID-19: Humidity of 40% to 60% May be Ideal to Slow It, Low Humidity Might Enhance its Spread

Blur from Camera or Support

Sharpness loss by camera or support or technique..

  1. Blur Caused by System Alignment

Appendices

Glossary and further reading..

  1. Further Reading

How to Test A Lens

How to verify a good sample and assess all aspects of lens performance..

  1. Ruling Out Camera/Sensor Alignment

Optical Performance

Sharpness and rendering..

  1. Alignment Woes

Sony Alpha A7R Shutter Vibration

Vibration from the shutter highly damaging to image sharpness..

  1. Mitigating Sony A7R Shutter Vibration

Zeiss Touit 50mm f/2.8M

Moderate telephoto macro lens for Sony NEX or Fujifilm X. Useful on full frame too!.

  1. Aperture Series: Water-Worn Boulders (Sony A7R, 4 X 5 Crop)
  2. Aperture Series: Boulders Up Creek, Depth of Field (Sony A7R, APS-C)


Blog posts, reverse chronological

2020

2020-10-18 Swing and Tilt: Subject Distance vs Lens Focusing Offset

2020-04-05 SARS-CoV-2 aka COVID-19: Humidity of 40% to 60% May be Ideal to Slow It, Low Humidity Might Enhance its Spread

2014

2014-04-16 Sony A7R: A Practical Effort to Mitigate Shutter Vibration at 90mm

2014-01-23 Photographers Ask Sony to Address the A7R Shutter Vibration Issue

2013

2013-12-20 Sony A7R Shutter Vibration: Can it Be Mitigated by Sony via Firmware Behavioral Change?

2009

2009-08-02 Ultra wide angle lenses and sensor/lens-mount alignment

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