Can lens or camera have a 'clinical' rendering?

Started 1 month ago | Discussions thread
57even Forum Pro • Posts: 14,738
Re: Trough a Softar II lens.

Erik Kaffehr wrote:

Hi,

In the film era, Zeiss Softar lenses were often used for portrait photography. It is a bit of plastic with small impressed lenses. These causes the focal length of the lens for the light passing through, so they cause defocus blur for part of the light.

The Softar emulates spherical aberration to some extent.

Left is Softar II om Zeiss Macro Planar 120/4 CFi at f/8, right same lens and setting without Softar II.

Here is a not very good calculated MTF for the transfer chain:

Top blue MTF with Softar II red without. Bottom intensity plots.

Best regards

Erik

I prefer Vaseline on a UV filter for better control... 

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