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Point Spread Function (GFX 50S)
Shot with Fujifilm GFX firmware 2.00, lens firmware 1.00. Brand-new GFX, brand-new lens.
These crops for showing the point spread function of the Fujifilm GF 45mm f/2.8 are from Green Icy Lake, Blue Mountainside.
A tight point spread function is the hallmark of a high quality lens.
Point Spread Function — bottom right
This area is in sharp focus, so the shape of the specular reflections is not influenced by being out of focus, which would overlay other aberrations on top of the true shape.
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