Vintage Nikkor-S 50mm 1.4 prime lens mounted on Nikon D90 (see the lens conversion here). Manual focus and aperture. The meter does not function with non-AI lens.

50mm, f/2.8, 1/100s, iso-3600

Nikkor AF 50mm 1.8D

50mm, f/2, 1/60s iso-1600