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Hasselblad X1D
Hasselblad XCD 30mm f/3.5

Aperture Series at MOD: Dolls, Focus Shift

This series at MOD (minimum object distance) assesses overall sharpness along with focus shift and secondary color aberrations.

Dolls

Adobe Camera Raw 9.8.0.692. View ACR settings.

Diffraction mitigating sharpening used for f/11.

Close range is a challenge for lenses, so MOD is the biggest challenge. Many vendors go to some effort to keep image quality high, including “floating” lens elements, and the use of optical “balancing” tricks to keep performance high. These tricks often come with liabilities, such as the one seen here: a very substantial focus shift, particularly in the center of the frame.

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Diglloyd Medium Format covers medium format camera systems, including the Hasselblad X1D and Fujifilm GFX.

These systems are hugely expensive, so make the right choice for your own needs (full frame vs medium format).

  • In-depth lens evaluations covering behaviors not likely to be found anywhere else, based on real-world field shooting.
  • How to configure menus and buttons and best operating practices, gotchas and how-to.
  • Real world examples with insights found nowhere else. Make sharper images just by understanding lens and camera behaviors.
  • Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to 100 megapixels filling up to 5K display, plus large crops.
  • Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
  • Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.
Aperture series 3.5,5.6,8,11 available in full article

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