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Hasselblad H4D
Hasselblad H4D-50 with 80mm lens

Distortion Correction with the HCD 28mm f/4

Hasselblad has loosened some lens design demands by placing the burden in post-processing for chromatic aberration, distortion and vignetting. This might be the wave of the future, though I personally do not like this approach, as it requires software which might or might not be suitable for one’s workflow. By contrast, Leica has taken the design approach of making the best possible lens, made possible by limiting the camera to a moderate size (smaller) sensor.

Let’s look at what distortion correction does with the HCD 28mm f/4.


There is of course a small loss of angular coverage with any distortion correction.

Mouse over the image below to compare the corrected version to the as-shot version.

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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.

DAP includes thousands of pages of exclusive coverage and high resolution Retina-grade examples detailing Canon and Nikon DSLR bodies and their lenses, with in-depth analysis of sharpness and contrast, color, bokeh, vignetting, distortion, MTF, and flare, behavioral and practical usage.

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Variants Uncorrected, Corrected available in full article

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