Bower FN52 Variable Neutral Density Filter 52 mm (Black) Under $100 Thunderbolt 3 also supports 10

Thunderbolt 3 also supports 10 Gb/s USB 3

Low profile: Just 5mm high (not inc rear threads)

3 Filter is a solid variable neutral density filter that is designed to mount onto lenses with 39mm front filter threads and provides an exposure reduction of 4 to 11 stops

weighs less than a pound and will easily fit into a laptop case

these are replaceable to protect your investment over time

Bower FN52 Variable Neutral Density Filter 52 mm (Black) Under $100 Thunderbolt 3 also supports 10The Variable Neutral Density Filter, compatible with all analog and digital camera lenses with the popular 52mm filter size, gives you the ability to use fast film in bright outdoor conditions. ND, or neutral density, filters allow you to do a number of things that would otherwise be impossible. By reducing the amount of light, you can record movement in subjects such as waterfalls, clouds, cars, etc. You can also drop your aperture to allow a wider