ZOMEi 52mm ND2-ND400 Fader Variable Density Neutral Adjustable Lens Filter Ultra Slim ND Filter German Schott Optical Glass

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Feature

High quality import Germany Schott Glass, 18 layer coating, high definition and scratch resistant
Only 7mm thickness ultra thin frame, avoid dark corner. Aluminum material, very lightweight
Allows for variable light reduction from between 2-8 stops; protect your lens from dust and scratches
Decrease the depth of field by using wider apertures, which helps separate subjects from their background
Allows the use of slow shutter speeds, with high speed films or digital cameras, to record movement/image blur in subjects such as waterfalls, clouds or any fast moving subject

Description

Introduction:
By rotating the end of the lens you are able to control the amount of light (between +1 and +8 stop values) that enters the lens.
Foe example, f/4 instead of f/8 for selective sharpness instead of great depth of field, or 1/15s instead of 1/60s for a smooth, blurred water effect instead of a 'frozen' waterfall.

Explanation of "X" cross issues:
"X" cross on images is a common issue with wide angle lenses and variable ND filters. Physics limit the capabilities of variable ND filters on wide angle lenses.
When you enter the edge of the max range,the "X" issue may appear on yout image. Because you are using it beyond its capability according to the laws of optical physics,which will inevitably cause this phenomenon.
If you want to use ND filtration at wider angles, you'll need to get a ND filter (or multiple filters) with a static density.

Color Shift
The color of the image may vary between warm and cold. This is a common phenomenon of all variable ND filters. You need to asjust your white balance accordingly when set the ND filter to different ranges.

Package Include: 1 x 52mm HD ND2-400