Ernst Leitz Gmbh Wetzlar Hektor f=10cm 1:25 lens (year 1937 (possible)!) Exploring Leica’s 100-year history of photography optics and finding a great deal of inspiration, especially in some lenses from the 1930s, 50s and 70s. We looked at old lenses from other manufacturers and found wonderful attributes as well. But these old lenses have compromises that can make them challenging for modern production. This is 100mm/f=2.5 German lens with no blades. Glass is clear, no scratches, free of dust or fungus. (D55xD46x100mm), Weight: 200 gr Braun Super-Paxon 1:28/85mm lens (year- no info) Slide projector lens. Fits in the following slide projectors (and more): – Braun Novamat 540 Diameter back: 42 mm Length: 83 mm Weight: 86 gr The Items has signs of usage and wear, but its minor. Look carefully photos. Photos attached to the listing are part of this description. I describe to the best of my knowledge and belief. Since this is a private sale, I do not provide any warranty and do not offer a right of return- consider this before bidding!