46mm K&F Nano-K Variable ND Filter Throw Lever / Adjustment tab

This ring adds a tab for easily adjusting the variable ND filter without getting fingers in the frame.

Fits a K&F 46mm ND filter which has an adjustment ring OD of 52mm. Pictured on my 25mm f1.7 46ø lens

Should be scalable to fit other variable ND filters. Measure your filter’s adjustment ring OD and scale X&Y by (OD/52mm).

Snug fit at 1.000x scale on one of my printers but at 1.005x (+0.5%) on another. YMMV. I recommend trying +/-0.5% scaling increments if it doesn’t fit snugly.