Alley in Pisa, Italy

by Lars Kotthoff

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5
votes
2answers
278 views

Why are doubled polarization filters as continuous ND not popular? [duplicate]

Possible Duplicate: What is the difference between using an ND filter versus 2 polarizers? One thing I was always wondering when it comes to ND filters is why there's need for such a large ...
6
votes
3answers
1k views

Is it possible to use a polarizer and a ND filter at the same time?

Is is possible to use two filters (one polarizing and one ND) at the same time on a 18-55 kit lens from Canon. I am new to photography and wanted to work with filters. Do you suggest me buy these ...
9
votes
4answers
704 views

Where can I find comparisons for linear polarizers (for a cheap variable ND filter)?

Does anyone know of any good comparisons for linear polarizers, similar to the excellent circular polarizer test done by LensTip? Unfortunately, a number of those manufacturers don't offer the same ...
14
votes
0answers
616 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 ...