Comment Re: It's not perfect (Score 1) 128
Not true, it's just an extension tube, to compensate for no mirror mechanism between rear element of lens and the sensor
Off topic, but still. About your signature: If A is B, is B A? If cats are animals, are animals cats?
More like if A is described as B, could B be described by A?
"What is wanted is not the will to believe, but the will to find out, which is the exact opposite." -- Bertrand Russell, _Sceptical_Essays_, 1928