Ross Telecentric Lens 430mm F5.4
History: Ross lenses were well know and highly regarded among the early photographic community and still are by wet palte shooters nowadays. The Telecentric was introduced by the end of the 19th century and was one of the first telelens designs ever made. The big advantage with this layout is that the backfocus is way shorter then the FL, meaning much less bellows extension, which also meant much less light loss due to the bellows factor. The lens features a 5 element in 2 groups layout. It feature focal lenghts 9, 11, 12, 13 and 17 inches and this is the largest of this series that was ever made.
Condition: The brass looks really good here, there is only minor wear and signs of use, mostly the front was slightly bent at some point. The BIG glass elements are clean and show only some air bubbles and minimal cleaning marks, but that wont affect the image quality of this beauty.
The lens has a focal lenght of 17" (or 430mm) and it will cover 8x10 and up to 12x15 formats.
Lens comes with a fitting flange.
Insured and tracked shipping cost:
Germany - 10 eur
EU* - 30 eur
Worldwide - 90 eur
*(the site offers only 2 shipping variations, DE and worldwide. buyers from EU please either contact me beforehand for a reduced EU cost, or after buying so i can send a refund over the difference)
Importent Note: This item comes from my private collection and is around 100 years old (antique). I try my best to describe all the faults and major damage which are relevant for the function of this item. But the actuall item can show signs of wear and also some cosmetic blemishes/damage which is not described in the auction text! When buying this item the buyer agrees to this terms.