FEATURESNOW AVAILABE IN BLACKAvailable in three sizes to fit most lensesUse Lens TAB to achieve fine focus controlUnobtrusive and compact - becomes part of your lensRigid finger tab provides control when focusing for a smooth and tactile feelWill the Lens TAB work with my lens?There are TWO measurements you need to make in order to ensure proper fit.1. measure the fit of your lens by either using the Diameter or Circumference as a measurement.2. measure the width of your focus ring to make sure that the TAAB band is of appropriate thickness.SmallFits lens diameter 1.75 (44mm) to 2.25 (57mm)Fits lens circumference 5.5 (140mm) to 7 (178mm)Ring thickness 0.25 (6.35mm)MediumFits lens diameter 2.00 (50mm) to 2.50 (64mm)Fits lens circumference 6.25 (158mm) to 7.85 (200mm)Ring thickness 0.3125 (8mm)LargeFits lens diameter 2.50 (64mm) to 3.00 (76mm)Fits lens circumference 7.85 (200mm) to 9.25 (235mm)Ring thickness 0.50 (13mm)Package included: 1pc lens focus Tab. (the camera not included)