Doublet [n° 380]
f/17,8 F=100,000 mm (80,0°)
[ f/17,8 f=99,942 mm (80,0°) ]
f/17,8 F=100,000 mm (80,0°)
[ f/17,8 f=99,942 mm (80,0°) ]
Doublet [n° 380]
f/17,8 F=100,000 mm (80,0°) [ f/17,8 f=99,942 mm (80,0°) ]
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Doublet
Fermeture de trois diaphragmes. d=30µ |
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