Increases the aperture by 1 stop
The inclusion of an internal drive motor ensures autofocus is smooth
It easily attaches to the lens in combination with a Go2 adapter ring (sold seperately)
5v AA batteries offer convenient and reliable usage
Perfect for atmospheric photographs with a difference
Dorr DHG Neutral Density ND3.0 1000x Filter 72mm Burgundy Increases the aperture by 1The ND3. 0 1000x filter extends the exposure time by factor 1000, which corresponds, to 10 f stops. Example: an exposure time of 1 1000s can change to 1s using the ND3. 0 1000x neutral density filter. As an effect of longer exposure time, you can for example "eliminate" people moving on squares or landscapes. Available in filter sizes 37mm, 40. 5mm, 43mm, 46mm, 49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm and 82mm.