Pentax 500mm f4.5
A very large ultra-telephoto focal length manual focus lens produced in 1975.
The lens is compatible with a 1.4x-L teleconverter, producing a 700mm f6.3 lens capable.
The lens is difficult to transport and use, and requires a tripod sturdier than any I presently own. (grr)
Read MoreThe lens is compatible with a 1.4x-L teleconverter, producing a 700mm f6.3 lens capable.
The lens is difficult to transport and use, and requires a tripod sturdier than any I presently own. (grr)
