25.4mm Dia f/0.5 Uncoated, Molded Acrylic Aspheric Lens
File:Malahide Marina - Bokehrama (31mm f 0.5) (6979772249).jpg - Wikimedia Commons
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When standard camera lenses weren't fast enough, I made my own
![WD165 0.5X Auxiliary Lens Barlow Objective Lens f Stereo Microscope 1-7/8" 48mm | eBay](https://i.ebayimg.com/images/g/JKAAAOSwjr9hKd9B/s-l1200.webp "WD165 0.5X Auxiliary Lens Barlow Objective Lens f Stereo Microscope 1-7/8" 48mm | eBay")
WD165 0.5X Auxiliary Lens Barlow Objective Lens f Stereo Microscope 1-7/8" 48mm | eBay
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This Insane Full-Frame 50mm Lens Has an Aperture of f/0.35 | Fstoppers
20mm f/0.5 GOI CV-catadioptric
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Nikon NIKKOR Z 58mm f/0.95 S Noct | Pro Manual Focus Lens
VILTROX 20mm f/1.8 FE Wide-Angle Full Frame Manual Focus Prime Lens fo
