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EXCERPT page containing first few paragraphs. 2022-08-17 20:46:13

Coastal Optics
60mm f/4 UV-VIS-IR APO macro
Sony A7R II

Examples: Night Shots, Artificial Lighting (Coastal 60/4 UV-VIS-IR APO)

These images shot with the Coastal Optics 60mm f/4 UV-VIS-IR APO Macro. It is the best corrected lens available for color, as of 2015, having no color aberration at all. Hence it makes an outstanding lens for night shots with out-of-focus blurs, since color purity is absolute.

The goal here was not to show off the superlative performance of the Coastal 60/4, though that is a welcome side effect. Rather, the 60/4 was used to eliminate color aberrations and to deliver very high sharpness so as to allow the Sony A7R II to shine at its best: how does its image quality hold up for night-time exposures under artificial lighting, particularly lighting that is spectrally gappy and unbalanced?

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Diglloyd Guide to Mirrorless offers comprehensive integrated coverage of most APS-C and full frame mirrorless cameras and lenses.

Special emphasis is placed on Sony full-frame, including Sony lenses and the high performance Zeiss Batis and Zeiss Loxia lenses plus Rokinon/Samyang and others. Fujifilm X, Olympus and Panasonic M4/3, Sigma dp Merrill and dp/sd Quattro are also covered in depth. Years in the making, it offers a wealth of material for choosing and using a mirrorless camera.

  • Make better images by learning how to get the best results right away. For example, the best way to set up your Sony camera.
  • Save money by choosing the right lens for your needs the first time, particularly with the numerous lenses available for Sony.
  • Make better images, a sort of “cheat sheet” saving yourself months or years of ad-hoc learning—best practices and how-to and processing parameters are discussed and shown.
  • Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to full camera resolution, plus large crops.
  • 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.

Want a preview? Click on any page below to see an excerpt as well as extensive blog coverage, for example on Sony.

f8 @ 30.0 sec, ISO 100; 2015-08-29 21:15:08
Sony A7R II + Coastal Optics 60mm f/4 UV-VIS-IR APO-Macro

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