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?
"Pay no attention to the man behind the curtain." -- The Wizard Of Oz