- Joined
- May 20, 2011
- Messages
- 603
- Format
- 35mm RF
brass lens from the French maker Berthiot, established in Paris in 1857
from about 1923 according its serial number
engravings:
Berthiot Paris
Eurygraphe Nº 10
serie IVª
F:6,2
F=250
173178
Eurygraphe Nº 10
serie IVª
F:6,2
F=250
173178
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
🛡️ Classifieds Safety Reminder:
Please stay safe when buying and selling. Scams via hacked accounts are on the rise globally.
Best Practices: Always use a verified payment method with buyer protection (avoid "PayPal Friends & Family"). Services like Escrow.com are highly secure. Be suspicious of random unsolicited contact via Private Message. If you see suspicious behavior, please use the Report link on the post immediately.
Best Practices: Always use a verified payment method with buyer protection (avoid "PayPal Friends & Family"). Services like Escrow.com are highly secure. Be suspicious of random unsolicited contact via Private Message. If you see suspicious behavior, please use the Report link on the post immediately.
Last edited:





