Nikon AF-S 300mm f-2.8D IF-ED II - Manual (Page 16)

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Filter holder (Fig. 4, 5)
Always use a filter. The slip-in filter holder is provided with a 52mm screw-in Nikon
NC filter. Use an L37C filter to cut ultraviolet rays and a slip-in circular polarizing
filter C-PL1L to cut unwanted reflections from non-metallic surface such as glass or
water.
1 Press down on the filter holder knob, and turn counterclockwise until the white
line on the knob is at a right angle to the axis of the lens.
2 Pull the holder out and screw in the filter into the holder.
•The filter holder can be attached either facing lens or camera side without having
any effect on your pictures.
Dedicated gelatin filter holder (Fig. 6)
(supplied accessories)
A 55mm slip-in gelatin filter holder is supplied with the lens to match your shooting
purposes.
Lens care
•Clean the lens surface with a blower brush. To remove dirt and smudges, use a
soft, clean cotton cloth or lens tissue moistened with ethanol (alcohol) or lens
cleaner. Wipe in a circular motion from center to outer edge, taking care not to
leave traces or touch other parts.
•Never use thinner or benzene to clean the lens as this might damage the lens, result
in a fire, or cause health problems.
•When storing the lens in the lens case, attach both front and rear caps.
•When the lens will not be used for a long time, store it in a cool, dry place to
prevent mold. Also store the lens away from direct sunlight or chemicals such as
camphor or naphthalene.
•Do not get water on the lens or drop it in water as this will cause it to rust and
malfunction.
•Reinforced plastic is used for some parts of the lens. To avoid damage, never leave
the lens in an excessively hot place.