| 1. | Pro Optic Camera Accessories PROFH User Guide 11 PRO OPTIC 4X4 FILTER KIT MANUAL Precise Tools for Creative Exposures Attach the appropriate adapter ring to the threads on your lens Tighten firmly Align the bottom of the filter holder and slide it into the adapter ring Lift the locking pin and completely install the filter holder onto the adapter ring The filter holder should be Slide in the desired filters able to smoothly rotate around Adjust height and angle for the diameter of the adapter ri |
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