These filters are made out of high-quality optical glass in which the surface is etched with a fine grid pattern. Depending on the pattern and size of the grid, point light sources and reflections create multi-beam stars. The grid structure of this attachment is designed so that a 4-point star is created from point light sources and reflections. The mount turns to allow the photographer the freedom to decide the orientation of the star effect.
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Comments about B+W 77mm 4x Cross Screen 684 Star Effect Glass Filter:
filter rotates to adjust the angle of the star burst. looks great. for the price it is worth it.
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Comments about B+W 77mm 4x Cross Screen 684 Star Effect Glass Filter:
Filter works just as advertised. By turning the outside ring, you can adjust the direction of the 'rays' eminating from the light source. Neat effect, but can be overdone, so don't go crazy with it.
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Comments about B+W 77mm 4x Cross Screen 684 Star Effect Glass Filter:
I use this filter when I taking a night view photo.
The 4 cross of light is very beautiful! Also I am happy to handle the direction of 4 cross.
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Comments about B+W 77mm 4x Cross Screen 684 Star Effect Glass Filter:
Great quality built filter, rotating mount let you position position star effect. The cross pattern etched on the glass creates also light diffraction of the light source. (sometimes not desirable)
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Comments about B+W 77mm 4x Cross Screen 684 Star Effect Glass Filter:
The filter is well made and it works as promised. B+W filters are excellent quality
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