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optisches element und herstellungsverfahren dafÜr und bandpassfilter, nah-infrarot-sperrfilter und antireflexfilm
optical element and production method therefor, and band pass filter, near infrared cut filter and anti-reflection film
zum wichtigen, eigentlich unentbehrlichen, zubehör, gehört ein ultraviolett-sperrfilter (kurz uv-filter).
an important accessoire that is actually an indispensable one is an ultraviolett-blocking filter (short: uv-filter). apart of its actual function it protects the objective against dust, sand and eventual scratches.