For Sale Berthiot Eurygraphe 180mm f/4 (France, c1900)

antique lens from the renowned French maker Berthiot, established in Paris in 1857

engravings:


focal length: 180mm
iris diaphragm: from f/4 to f/32
height: 91mm
frontal diameter: 58mm
image circle: about 25cm (enough for a 13x18cm plate)
image circle has been taken at infinite with full aperture; at close distances and with small apertures, the image circle can increase
weight (with filter and lens flange): 595g

symmetrical optical design (6 elements, 2 groups), it is a convertible lens, you can unscrew the frontal element, get a double focal length and increasing coverage

20 blade-iris, they form a very round aperture

good condition
glasses: clean and clear
there is no fungus, haze or separation
minuscule air bubbles on the glass, as usual on lenses from those times, not affect performance
the diaphragm is clean and free of oil
diaphragm ring moves smoothly
comes with lens flange and filter with yellow and orange glasses

price: 115 euros
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Shipping cost:
Europe (depending of your country) ... 12 to 18 euros
USA, Canada, Australia, China, Japan, and all other countries ... 26.70 EUR

parcels shipped from European Union
(insured, registered, with track and trace)

payments:
Bank Transfer preferred (Wise)
PayPal also accepted