Perhaps this is one of these "how long is a piece of string" questions ... so I apologise.
I am looking for a brass lens that should work for 4x5" size, with a focal length somewhere between say, 130 to 180 mm, i.e. normal. Finding something longer (or way too long) is easy, but this span seems much harder to find.
So far I have not found much, but I am not sure what to look for except very general terms such as Aplanat, Rapid Rectilinear etc. A Petzval needs to be longer than 180 to cover I suppose and prices are going way beyond my wallet.
Any tips?
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