Is this lens an Ai or Ais lens? Can you supply the serial number). Are the aperture blades free of any oil and do the f/stops click firmly into place? is the focus smooth and not overly stiff or loose?
Is this lens an Ai or Ais lens? Can you supply the serial number). Are the aperture blades free of any oil and do the f/stops click firmly into place? is the focus smooth and not overly stiff or loose?
訂正 f/stopは、しっかりと場所にとまりますか？
訂正 絞り羽根→開口部のブレード