Darren Nemeth Posted July 23, 2015 Share Posted July 23, 2015 (edited) I have a 50 or 60 year old 152mm lens made by Kodak. M mount. On it is this knob that can be pulled upward, allowing the lens focus to be turned past "infinity" focusing. Would anyone know what doing this does for focus?? Edited July 23, 2015 by Darren Nemeth Link to comment Share on other sites More sharing options...
Premium Member Simon Wyss Posted July 23, 2015 Premium Member Share Posted July 23, 2015 It’s the macro position, focus plane at 10 feet from film plane. Link to comment Share on other sites More sharing options...
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