Use A Filter (Optional) - Samsung 20-50 mm F3.5-5.6 ED II User Manual

Use a fi Iter (optional)
Before putting a filter on the lens, make
sure it is compatible.
~
Refer to "Specifications" for
l.t:J
compatible filter size (p. 21).
P.\ •
A filter is a precise optical product.
~
Keep away from dust, dirt or
scratches. Also, do not try to mount
two or more filters at the same time.
Doing so may deteriorate the image
quality and cause vignetting.
• In case of a thick framed filter, the
vignetting can occur with a wide-
angle lens.
What is vignetting?
Vignetting refers to when the edges
or outer parts of an image get dark or
are hidden in black due to the reduced
intensity of light in surroundings of
the screen. It can a_ lso occur when
accessories such as converters or
filters are mounted, as the viewing
angle of the lens is hidden.
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