Sold Berthiot Perigraphe 120mm (France, c1940) wide angle brass lens

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

engravigns:


focal length: 120mm
wheel stops diaphragms from f/14 to f/56
view angle: 105º
height: 21mm
frontal diameter: 39mm
image circle: about 30cm (enough for an 8x10" plate, see maker's recommendations below)
_ image circles have been taken at infinite with full aperture; at close distances, the image circle is increased _

symmetrical optical design (6 elements, 2 groups), it is a convertible lens: if the the frontal element is unscrewed, the lens gives double focal length and increased coverage

good condition, it keeps its original lacquer
glasses: light cleaning marks, some very small spots
diaphragm wheel moves smoothly
comes with lens flange

weight (with lens flange): 139g

price: 115 EUR / 120 USD

Shipping cost:
Europe: 12 EUR
USA, Canada, Australia, China, Japan, and all other countries: 15.60 EUR / 16.50 USD

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

payments:
Bank Transfer preferred (Wise)
PayPal also accepted