a type of filter used to reduce oblique reflections and increase color saturation
23
votes
3answers
619 views
What is the difference between a linear and a circular polarizer?
When I bought my polarizer, a friend told me that I should get a circular one, because the linear ones can mess with the autofocus. Is this true? What should each be used for?
28
votes
5answers
2k views
In which situations should I use my circular polarizing filter?
I received a circular polarizing filter as a gift, but I have a hard time determining when I should be using it.
I've done river shots with some success, but other than that, it doesn't seem to do ...
12
votes
7answers
2k views
What is the difference between using an ND filter versus 2 polarizers?
I know what an ND filter does. I know what a polarizer does. I also know what two polarizers stacked together and rotated properly do.
So the question: why should I use an ND filter to achieve a ...
19
votes
4answers
1k views
How do I choose a polarizer?
It was suggested that I should get myself a polarizer filter to get over my reflection problem.
(
How to avoid reflection when taking a picture of a ceramic object with a shiny glaze?
)
I found out ...
8
votes
3answers
1k views
Why does a linear polarizer work as well as a circular one on a P&S camera?
I have just purchased a Canon SX30 IS and though extremely happy with it I will need to use a polarizing filter due to the fact that I am travelling to Indonesia to do volcano photography/landscape ...
14
votes
0answers
610 views
Is it possible to use two polarised filters to create a variable ND filter? [duplicate]
Possible Duplicate:
What is the difference between using an ND filter versus 2 polarizers?
I was reading that by attaching two polarised filter we could create a variable ND filter.
Has ...
14
votes
5answers
3k views
What should I look for in a polarising filter?
I am wanting to invest in a polarising filter for my camera (a Canon T2i/550D). What sort of things should I be looking for? What differentiates a good polariser from a bad one? Are there any brands ...
