types of lens filters .pdf
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My name is Mee Kia Tah.
I love photography and share the passion
by giving free presentations.
You can find me @meekaitah
“Photography deals exquisitely with
appearances, but nothing is what it appears
– Duane Michals
• Lens filters usually come in 3
shapes – Circular, square and
• Circular filters are the most
• Square and rectangular are less
common, but they are usually
larger in size, making them easier
to fit onto different lenses.
1) CLEAR FILTER
• As the name implies, this is a filter
that is clear.
• Does pretty much nothing.
• Used to protect the lens from
scratches and dust.
• Scratch the cheap filter, not
destroy the expensive lens.
2) UV FILTER
• UV filters reduces the amount of
ultra-violet light entering the
camera, thus reducing the blue
• Also commonly used as a “better
clear filter” to protect the lens.
3) CPL FILTER
• Circular polarizers (CPL) are
normally used to reduce
reflections and glares.
• Some good CPL filters also boost
the contrast as well.
• A landscape photographer’s
4) ND FILTER
• Neutral Filters (ND) are like pieces
• They block out excessive
brightness, and allows you to
capture more recovered details.
• Another landscape photographer’s
5) IR FILTER
• Infra-red (IR) filters are kind of
• They block all visible light and
only allow IR to pass into the
• This usually result in a dark red
photo, but after some editing to
remove the red tint, you will get a
nice surreal photo.