Specs
NiSi 15mm f/4 for $479
Horrible bokeh, like crumpled aluminum.
So how does it compare to the less pricey Firefly 15mm?
Samples
MTF
Cost is 579USD/429£/479€.
Page https://en.nisioptics.com/nisi-15mm-f4-fullframe-manual-focus-lens-for-mirrorless-camera
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