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Schneider PC-TS 90/45  
Schneider PC-TS 90/45

Bokeh, 90mm

The 6-bladed diaphragm makes itself visible on out of focus areas in obvious and subtle ways.


This example is rather a worst-case, yet with many images the results are quite pleasing.

As shown below, the diaphragm shape with its six blades is readily visible in out of focus areas, along with a bright edge, drawing even more attention to the unnatural shape.

Even on the sky area, the image rendition of details and sky has unpleasant harshness to it.

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Bokeh with Schneider PC-TS 90/4.5 @ f/11 
Bokeh with Schneider PC-TS 90/4.5 @ f/11

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