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Pentax 645Z
Pentax 25mm f/4

Aperture Series: Blue Beater Bike (645Z)

The Pentax 25/4 is shot here at relatively close range on the Pentax 645Z in DNG format.

This blue bike caught my eye for its strong color and contrast. It turned out to be a serious exposure challenge that demanded careful exposure using the entire dynamic range of the Pentax 645Z.

Mosaic

Mirror lockup with 2 second self timer used.
f-stop: 4, 5.6, 8, 11, 16, 22
shutter: 1/60, 1/30, 1/15, 1/8, 1/4, 1/2

Adobe Camera Raw 8.5 (236): ACR settings, Camera Profile = Adobe Standard.

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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 4, 5.6, 8, 11, 16, 22 available in full article

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