Blogipity

1/7/2005

Cool polarizer tips

Filed under: Photography — Andrew @ 10:12 pm

From: Couple of neat tricks with polarizer: Canon EOS 300D Forum: Digital Photography Review

Polarizer in my regard is the most versatile filter you can put on you camera and with digital cameras it is probably the only one you ever need. besides serving its primary function of removing the glare from semi-reflecting objects (water/glass) it can be used as a density filter, warming filter, sky haze filter, etc.

Here’s just some of the neat tricks you can have by using the polarizer (most of them are highly usable in everyday photography):

1) on a sunny day look through polarizer at the sky. Now start rotating it - the sky will turn increasingly blue - giving it a very desired deep and saturated feeling. Notice that the best effect will be achieved when you are looking at the sky approximately 90 degrees from the sun. The closer you turn to the sun - the lesser effect will be

2) reverse the polarizer (rotating ring towards eye/lens) and start turning it - you will see that colors looking through it will distinctly become warmer/colder. To use your polarizer as warm fiilter on the camera you would need to buy a reverse ring (they are very inexpensive but well worth it)

3) stack two polarizers together: one in normal position and the second one in reverse. Now start rotating the second polarizer - you will see that looking though it the scene will become increasingly darker until you will achieve a complete darkness. Thus you can use two stacked polarizers as a variable density filter. You can use it to achieve long exposures during day time for various creative effects!

4) if you have LCD monitor try looking at it through the polarizer. Now start turning the polarizer and you will see that at some point the screen will turn complete dark. Search on internet for explanation on why this is happening!

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