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Ergonomics

Ergonomics are “old style”, which is to say there are some good points, and some not so good.

Feel and heft

This is a relatively large and heavy lens, comparable to the Nikon 70-200mm f/2.8G VR II, but somewhat more compact, and significantly lighter. The size and weight make it mandatory to support the lens on a tripod with the lens tripod foot— do not stress the lens mount by making the camera support it.

With a maximum aperture of f/4, the 200/4D is larger than it would need to be as a regular lens presumably because the ability to focus to 1:1 demands more extension; this is not a lens that appears to play tricks with focal length shortening as do most macro lenses these days. That is a big plus, because it means that working distance is excellent.

The lens is comfortable with a larger camera like the Nikon D3x/D3s, but will feel front heavy with smaller DSLRs. Supporting the lens is a very good idea; do not let it dangle and thus stress the lens mount.

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Diglloyd DAP is DSLR-oriented, but also contains workflow and other topics. Much of the focus is on Canon and Nikon but also Pentax and Pentax medium format.

Special emphasis is placed on lens evaluation, focusing on Canon and Nikon and Sigma lenses, but with a few others like Rokinon/Samyang.

  • Make better images by learning how to get the best results right away.
  • Save money by choosing the right lens for your needs the first time, particularly some of the new Sigma Art lenses vs Nikon and Canon.
  • Workflow discusses image organization, raw conversion and post processing. Many examples show processing parameters for direct insight into how the image was converted.
  • Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to full camera resolution, plus large crops [past 2 years or so].
  • Real world examples with insights found nowhere else. Make sharper images just by understanding lens behavior you won’t read about elsewhere.
  • 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.

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