Tiffen 37mm Neutral Density 0.6 Filter SKB 3I-1510-6B-C This makes stepper motor controllers

This makes stepper motor controllers very simple to build and use

5 oz (158 g) Packaging Info Package Weight 1

They are designed to prevent scratching

Resistant to Saltwater Corrosion

Supports 48 and 44

Tiffen 37mm Neutral Density 0.6 Filter SKB 3I-1510-6B-C This makes stepper motor controllers0. 6 Solid Neutral Density Filter 4x Filter Factor, +2 Stop Darkens Entire Image Allows Reduced Shutter Speed Allows Wider Aperture ColorCore Technology 37mm Front Filter Threads Plastic Case The Tiffen 37mm Neutral Density 0. 6 Filter is a solid ND filter with a 4x filter factor that provides a 2 stop exposure reduction. Its 0. 6 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed