EXCERPT page containing first few paragraphs. 2021-01-18 06:35:21
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Shot with the Zeiss Milvus 85mm f/1.4.
At very high ISO values, noise tends to intrude. Moreover the conditions under which such high ISO values are required often involve very difficult lighting. Hence, a black and white rendition can be relevant and useful, practically speaking, at least for eliminating unpleasant color casts. In this example the lighting is excellent however, and so that benefit is not manifestly demonstrated.
This ISO comparison series uses the same images as the ISO Series from ISO 50 to 102400 (Dolls) page. Here, the results are compared in color versus black and white; see the processing notes and general discussion on that page.
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