ND Filters

[Tracey]

Has anyone got or used any?

I have a trip to Hawaii planned in May/June and it looks like there are some stunning waterfalls there. I want to get the nice "milky effect" from a longer exposure shot.

I have seen a few different types on the internet, but am toying with the idea of a variable filter, where I could adjust the filter to be anything from a ND2 to (allegedly a ND400?). What could/would be the pros and cons of a set of ND filters over a single adjustable one?

Many thanks in advance.
T

[Grendel]

basically the variable one is a pair of polarising filters, so you rotate the filters to change the density, when they are at one position they only allow light polarised exactly correctly to pass alter their direction and more light can pass. this would give you the most possibilities in one filter.
Grendel

[Tracey]

Oh, thanks for that Grendel, I was unaware how they worked. I am thinking that the variable would probably be the best option. It saves carrying multiple filters around, and I will be able to take more than one photo with various settings more easily.

[Tracey]

Just a heads up for those that are interested, 7day shop are selling these filters VERY cheap. I've taken the plunge and ordered a 67mm one for £28! Thats much cheaper than eBays versions.

[Grendel]

let us know how you get on with them.
Grendel

[Tracey]

will do Grendel, no problem

[Tracey]

The filter came yesterday, so I went out today to try it out... To me, it looks well made, not flimsy at all. The only issue I can see is that it has problems if it is used for really wide shots. (28-32ish mm) when not being use in a wide angle format, the results look good... or at least, they will look good when I have mastered how to use it effectively
Anyway, heres a sample I took at the local war memorial gardens.... its not as "milky" as I hoped, but then, it wasnt a particularly long exposure!

[Grendel]

it was kind of the ducks to stand still while you took your picture, it looks pretty good to me, I like the stray droplets at the edge of the water flow.
Grendel

[Tracey]

Thanks for that Grendel, the ducks surprised me. I was expecting them to move and spoil the photo, but they stayed there for that one and the other ones I tried too!