I followed up a little classified advert this afternoon in the local paper. Tomorrow, Im going to pay a visit to a guy who advertised 3 lenses in the paper. When we spoke over the phone, he said he had a Nikon film camera which is broken and was quoted too much to fix and he has 3 lenses to offload, plus some adaptors, filters etc. He didnt sound to knowledgable about the items. But I got the info from him that the 500mm is a Carl Zeiss and when I asked him to read me off the aperture stops he said the lowest was 3.5 (?) can that really be the case? I think the 700mm lens is a Praktica and he also has a Pentacon 50 1.8. I'm thinking about grabbing the 500, but he only wants about US $130 for the lot. My web searches have drawn a blank with any CZ 500 3.5. I see a f5's for a lot of money. Any one got any views or have such a thing pass through their hands ? It's seems bizarre - possibly a gift horse, who knows! He didnt speak of any specialised reason for having such big lenses, no mention of ornathology of 'army-days' daring-doo lol All will be revealed tomorrow - unless some rotter has grabbed them already.