K&F Concept 39mm Variable ND Lens Filter ND2-ND400 (1-9 Stops) 18 Multi-Layer Coatings Adjustable Neutral Density Ultra Slim Lens Filter for Camera Lens (K-Series) electronics_best_sellers_Jan2025 The black zip ties operation

The black zip ties operation temperature is -40F~185Fwith UL94V-2 flammability

(OPTIVISOR NOT INCLUDED)

51 inchColor: as pictures shownPackage included: 2 x DC 24v to 12v down converterNotes:Manual measurement

please download an Audio APP like "Cinema fv-5"

Blue Yeti etc

K&F Concept 39mm Variable ND Lens Filter ND2-ND400 (1-9 Stops) 18 Multi-Layer Coatings Adjustable Neutral Density Ultra Slim Lens Filter for Camera Lens (K-Series) electronics_best_sellers_Jan2025 The black zip ties operationK&F Concept 39mm Variable ND Lens Filter ND2 ND400 (1 9 Stops) 18 Multi Layer Coatings Adjustable Neutral Density Ultra Slim Lens Filter for Camera Lens (K Series) Reduces the amount of light reaching the lens without affecting the color. The K&F ND Filter Multi Resistance Coating (MRC) helps repel water, dust & grease, while also preventing ghosting. Applies slow shutter speed under strong sunlight exposure. Glass mounted with high pressure press