Sold Berthiot Euryghraphe 250/480mm, French brass lens _ ULF

brass lens from the French maker Berthiot, established in Paris in 1857

from about 1923 according its serial number

engravings:


focal length: 250mm / 480mm
iris diaphragm: from f/6.2 to f/34
angle of view: 64-80º
height: 57mm
frontal diameter: 52mm
image circle: about 40cm
(enough for a 10x12" plate, see maker's recommendations below)
weight (with lens flange): 462g

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

16 blade-iris, they form a very round aperture

reasonably good condition for its age, it keeps most of its original lacquer, nice “patina”
glasses: clean and clear, very small some spots, nothing which will affect performance
there is no fungus, haze or separation
diaphragm ring moves smoothly
comes with lens flange

price: 125 USD

Shipping cost to Europe (depending of your country): 13.30 to 20 USD
USA, Canada, Australia, China, Japan, and all other countries: 29.35 USD

parcels shipped from Europe
(insured, registered, with track and trace on internet)

payments:
Bank Transfer preferred (Wise, Revolut)
PayPal also accepted