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Hasselblad H4D
Hasselblad H4D-50 with 80mm lens

Examples with HCD 28mm f/4

The images that follow were made over the course of a few days in Yosemite on a photo tour.

The HCD 28/4 is an ultra wide angle lens, perhaps the widest available for a medium format DSLR, and so it should be given some leeway due to the design challenges to be found with such a lens.

RAW file processing

Images have been processed with the Phocus software with chromatic aberration correction enabled, but vignetting and distortion correction OFF.

After processing into 16-bit ProPhotoRGB, I sometimes applied a bit more sharpening, perhaps Auto Tone or Levels or similar contrast adjustments, then converted to JPEG and sRGB for presentation.

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Since 2006, Diglloyd Advanced Photography is the authoritative review and reference for DSLRs and their lenses: Canon and Nikon primarily, but also Pentax and some medium format. Reviews of key DSLRs are included, but the primary focus is on lens performance. Also included is a wealth of technique and workflow approaches.

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Lens misalignment: the 28/4 was swung place focus rearward at left, and forward at right

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