Vintage Wollensak 10 inch f.5.6 Raptar Telephoto Lens w/Box

Item: 251050495685

Over priced. Look closely at the second row of pictures 3rd and 4th from left. Those spots on the inside of the glass are a potential problem.

Seller is looking for a collector wanting to sit it on their shelf.

thanks Banjo, but yeah that is quite expensive.

Or at least , its more than I'm thinking to spend (I saw an Ektar 203mm go for less than $100 a few days back...but before it had become clear that this lens would be good for me, so I didn't bid).

45PSS, I thought marks on the back of the lens were not such an issue. Or have I got that the wrong way round, and it's the front that needn't be in perfect condition?

does that lens have X sync? I can see two different M settings, and then there's an F which looks like it also has an X next to it but its not so clear (FX? flash sync?)

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I saw an Ektar 203mm go for less than $100 a few days back

Bargain. I sold mine for $300+, perfect glass, fresh cla.

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45PSS, I thought marks on the back of the lens were not such an issue. Or have I got that the wrong way round, and it's the front that needn't be in perfect condition?

Scratches on/in the rear element are more detrimental to image quality than scratches on the front.
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The auction lens has what looks like mold spots inside the lens. It could also be coating separation or fungus that etches the glass.
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That is a "Full Sync Shutter". The Black M is used with the 100 and 200 speeds, the Red M is used with speeds 50 and longer. F-X is used for gas filled flash bulbs or electronic flash at any of the available speeds. Off turns the flash sync off so no flash occurs with flash equipment connected.