Various, Notes and Queries, Number 185, May 14…
“ A country gentleman, like myself, may purchase a lens from an eminent house, with an assurance that it is everything that can be desired (and I am not putting an imaginary case) , and may succeed in getting beautiful images upon his focussing-glass, but very unsatisfactory pictures; and it may not be until he has almost abandoned photography, in despair at his own want of skill, that he has the opportunity of showing his apparatus, manipulation, &c. to some more practised hand, who is enabled to prove that the lens was not capable of doing what the vendors stated it could do. ”
