A motley collection of lenses

And this isn't them all! The majority are on the SLRs already featured. These are the spares. Old glass seems to have a particular value nowadays. It is valued by enthusiasts looking for a special sort of photo on their digital camera.

Whereas the maufacturers own brands are usually the more valuable, the independents have the advantage of the replaceable mount. Then again the M42s are pretty much ubiquitous.