Hi guys.
A seller on ebay has a lens for sale and he states: "YOU ARE BIDDING ON A REALLY GREAT 240MM F5.6 RODENSTOCK SIRONAR......WHICH CONVERTS TO A 700MM LENS WHEN YOU USE THE REAR LENS GROUP ALONE...."
I've had one such 240mm Sironar for years and I've never heard this claim (till now) that it can morf into a 700mm by removing the front element !
If any of you have first-hand experience with this, care to share your thoughts? Namely what kind of quality do you get out of this 700mm "lens" ?
(I know, I know.... I should just try this myself but why waste the film if there's a ready made answer here).
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