Gradual filter is a MUST for digital users, because the digital sensor unlike film has very low exposure tolerance.<br>Detail will be lost on both low and high light area. To correct this, you need gradual filter to balance it!<br><br>How to use:<br>1. Screw the ring adapter onto your lens.<br>2. Slide the filter holder on the ring adapter until it snap in place.<br>3. Slide the filter into one of the filter holder slots which is depended by your filter's size.<br><br>The COKIN CREATIVE SYSTEM consists of 3 main components:- An Adaptor Ring + A Filter Holder + 1 or more filters.<br><br>Step 1 Screw the adaptor ring onto your lens.<br>Step 2 Slide the filter-holder on the adaptor ring until it snaps in place.<br>Step 3 Slide the filter (up to 3) into one of the filter-holder slots.<br><br>9pcs Ring Adapter Available<br><br>Tersedia ukuran :<br>49mm<br>52mm<br>55mm<br>58mm<br>62mm<br>67mm<br>72mm<br>77mm<br>82mm