MFLenses

MFLenses 2026

Manual Focus Lenses

Explore the world of vintage lenses through repair notes, real test shots, and detailed forum threads packed with images.

Explore the world of vintage lenses through repair notes, real test shots, and detailed forum threads packed with images.

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Nikon-Nikkor 20mm f4 AI

All right reserved by Patrickh. Images used by author Patrickh written permission.
Nikon-Nikkor 20mm f4 AI-2743 Nikon-Nikkor 20mm f4 AI-2743
Nikon-Nikkor 20mm f4 AI-2742 Nikon-Nikkor 20mm f4 AI-2742
Nikon-Nikkor 20mm f4 AI-2741 Nikon-Nikkor 20mm f4 AI-2741
Nikon-Nikkor 20mm f4 AI-2740 Nikon-Nikkor 20mm f4 AI-2740
Nikon-Nikkor 20mm f4 AI-2739 Nikon-Nikkor 20mm f4 AI-2739
Nikon-Nikkor 20mm f4 AI-2738 Nikon-Nikkor 20mm f4 AI-2738
Nikon-Nikkor 20mm f4 AI-2737 Nikon-Nikkor 20mm f4 AI-2737
Nikon-Nikkor 20mm f4 AI-2736 Nikon-Nikkor 20mm f4 AI-2736