Sharpness is top, ie virtually unchanged yoy. the use without. The images received a very warm, reddish Touch of maintenance should be matched with corresponding types image processing. For sunsets or nature shots but this does not fall unbedidingt interfere.
The workmanship is very good, the plastic box is ok and the lens cap with inside handle can maybe serve as a substitute.
A highly recommended product which I have always with you, if I take with the tripod. All moves can be so beautifully blur (rivers, sea, waterfall) and non-recurring items (passing by people, cars, etc.) disappear simply by the exposure time about 20-30 on average. The creative possibilities are incredible.
Who has when taking his smartphone while, I recommend times to search filters in the AppStore after ND. There are numerous apps and list the matching for various Graufilter shutter speeds on the Internet tables. That I see the subject, let me out of the camera's shutter speed determine, filter it and acc. Table in manual mode simply set the appropriate filter time. This is easy and depending on the selected aperture and light can illuminate this ND1000 from a few seconds to several minutes at dusk / night.
