Here's a really dumb question for you. (I've already fallen out of the first ro und of "Stump the Idiot".) I have a couple of these here Goerz Pantar lens cells of 11.75" length. (By the way another identical set of these just went on eBay for under $200. A bona fi de deal.) Being a matched pair, they have a max aperture of f/6.8 and are fully assymetrical, a la Dagor. They have successive serial numbers. The only diffe rence is that one of the cells has an asterisk - a "*" - on its rim. Why? If t hey are identical, they are identical; right? I should also state that these pa rticular lenses came with a Goerz close-up bellows, with markings to indicate th at it or the lens was made specifically for the other. Is this a clue? This is the only matched-set of cells I own (and none of the other individual cells has an asterisk on it), so I have no other pair with which to compare it. Mysteries...
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