Sony A7R IV Review of the R IV

[Ziggy]

Here's Thom Hogan's nuanced review of the R IV, particularly in relation to the R III and his Nikons.

Sony A7r Mark IV Camera Review | Sans Mirror | Thom Hogan

Review of the Sony A7R Mark IV mirrorless camera

www.sansmirror.com

In summary, not everyone will use or benefit from the extra pixels and they come at a cost. It's a more specialised camera than the R III and it benefits some genres and types of use and not others. It has limitations that only appear in the footnotes of Sony's guff about it.

 

[Ziggy]

The extra resolution means that better glass and better technique are needed; otherwise you just capture lens weaknesses, soft focus, heat haze, and camera and subject movement more readily.

Diffraction effects start at under f7.

Above ISO 400 the IV loses its resolution advantage over the III to noise. See:

Sony Alpha Blog : Which Lenses to maximise the potential of your Sony A7RIV/ A7RV / A1 / A7IV…?

in Blue English / en noir en Français This article is split in 7 parts as it cover around 200 full Frame lenses tested on Sony A7RIV – Last updated in December 2022 L’article est consid…

sonyalpha.blog

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