Darlot Opticien Paris Hémisphérique", c. 1866 wide-angle lens, very Rare!
Darlot "Hémisphérique", c. 1866
"Darlot Opticien Paris AD". No. 4929, rare wide-angle lens with approx.. 90° field angle, 2 swing-in diaphragms, connecting ring, height of the lens 3 1/6 in., Ø 3 1/6 in., lens in excellent condition. – Literature: Corrado D'Agostini, "Photographic Lenses of the 1800's in France", p. 143.
"Darlot Opticien Paris AD". No. 4929, rare wide-angle lens with approx.. 90° field angle, 2 swing-in diaphragms, connecting ring, height of the lens 3 1/6 in., Ø 3 1/6 in., lens in excellent condition. – Literature: Corrado D'Agostini, "Photographic Lenses of the 1800's in France", p. 143.
