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Vintage Fratelli Koristka SA Teleobbiettivo Negri-Koristka RARE Italian brass le
$892.95
eBay It is a brass lens made by Italy, Fratelli Koristka SA company in Milan, around 1896. I think that it is probably a telephoto lens. Although the lenses are slightly dusty and dirty, but they are still in a beautiful state. Inside there is a coin-shaped diaphragm with a hole written as "60". Although there is no mount, it is about 44 mm. I do n ...  More
VERY RARE LARGE 2 KG! ITALIAN BRASS LENS KORISTKA-MILANO EQUATOR 5,5 f=400 mm
$700.0
eBay VERY RARE LARGE 2 KG! ITALIAN BRASS LENS KORISTKA-MILANO EQUATOR F5.5 f=400 mm SN 11203 I am selling a unique vintage brass lens made by an italian company Koristka which was found in 1880 and based in Milano. They produced binoculars, microscops and some camera lenses. Most probably under Zeiss patents. This unique lens is more than 2 kg in w ...  More

 
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