Bokeh and Lens Rendering Quiz: Background Quality

"Cat's eye bokeh" near edges is caused by:

Onion ring bokeh is often from:

Soap bubble bokeh is associated with:

Bokeh quality depends on:

Foreground blur can look different from background blur due to:

Longitudinal CA can affect bokeh by:

Stopping down generally:

A lens with undercorrected spherical aberration often:

"Bokeh balls" shape is influenced by:

Focus breathing affects bokeh because:

Specular highlights in background are:

Sensor size impacts blur by:

"Swirly bokeh" is often due to:

Bokeh is not the same as:

Rendering is best evaluated by: