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Ross Brass Mounted Homocentric Lens

circa 1920

Ross Homocentric Lens

circa 1908

Compound Homocentric lens.

Ross Compound Homocentric Lens

circa 1916

Ross Homocentric Lens

c. 1906

Ross Homocentric Lens

circa 1912
Homocentric lens F.8 21 inch f.l. In a brass mount. Iris diaphragm is operated by a lever projecting from the lens barrel. Is a 4-element lens. Ross c.1912

homocentric lens

circa 1912
VS 18 Ross Homocentric lens in Conpur shutter. F:6 1/2" lens with iris diaphragm f6.3-22 in Conpur shutter 1/2/5/10/25/50/100/200/T/B. Three bladed; DRP No.258646 DRGM. Cable release socket. Lens No.88128

Ross Homocentric Lens in Compur Shutter