Hoya 55mm HMC Solid Neutral Density 0.3 Filter (1 Stop) Celestron 93430 Bus Powered

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Hoya 55mm HMC Solid Neutral Density 0.3 Filter (1 Stop) Celestron 93430 Bus Powered2x Filter Factor, 1 Stop Darkens Entire Image Allows Reduced Shutter Speed Allows Wider Aperture Multi Coated Optical Glass Construction 55mm Front Filter Threads Aluminum Alloy Filter Ring Plastic Case The Hoya 55mm HMC Solid Neutral Density 0. 3 Filter is an ND filter with a 2x filter factor that provides a 1 stop exposure reduction. Its 0. 3 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower