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Best place/website to buy cheap ND filter?

  • 19-10-2009 11:01am
    #1
    dinneenp
    Registered Users, Registered Users 2 Posts: 8,157 ✭✭✭


    Hi,
    I have a Panasonic FZ 28, (46mm for filters).


    I'd like to take some photos of blurry crowd/people movement. I've tried without a filter but can't get it right so I'd like to get a ND filter.


    My questions-
    Best place/online store to buy one (looking for inexpensive/sub €30)

    How do I figure out what density/grad filter to get? Is there any site with good examples of ND filters showing people movement (rather than water?)

    Cheers,
    Pa.


Comments

  • #2
    CabanSail
    Moderators, Category Moderators, Arts Moderators, Entertainment Moderators Posts: 9,047 CMod ✭✭✭✭CabanSail


    You can get them from the 7dayshop.

    IIRC they stock ND2 ND4 & ND8 filters in most common sizes.

    The NDx = the divisor. So an ND2 will reduce the light to a half, that's one stop.
    The ND8 is one eighth of the light, so that's three stops.

    If you are on your lowest ISO as well as shut right down & you get a shutter speed of 1/4 second. The ND2 would increase that to 1/2 second, the ND4 to one second & the ND8 to two seconds.

    You can stack filters but you may get vignetting.


  • #3
    dinneenp
    Registered Users, Registered Users 2 Posts: 8,157 ✭✭✭dinneenp


    CabanSail wrote: »

    The NDx = the divisor. So an ND2 will reduce the light to a half, that's one stop.
    The ND8 is one eighth of the light, so that's three stops.

    If you are on your lowest ISO as well as shut right down & you get a shutter speed of 1/4 second. The ND2 would increase that to 1/2 second, the ND4 to one second & the ND8 to two seconds.

    .

    Cheers for the reply.
    so with ND2 filter you say 1/2 second- does that mean that when using the filter and I take a pic and the result would be equilivant of 1/2 second shutter speed without too much light coming in?


  • #4
    PaulieC
    Registered Users, Registered Users 2 Posts: 6,196 ✭✭✭PaulieC


    note that if you stop down too much i.e. your exposure is too long, you'll lose all the people altogether :)


  • #5
    CabanSail
    Moderators, Category Moderators, Arts Moderators, Entertainment Moderators Posts: 9,047 CMod ✭✭✭✭CabanSail


    dinneenp wrote: »
    Cheers for the reply.
    so with ND2 filter you say 1/2 second- does that mean that when using the filter and I take a pic and the result would be equilivant of 1/2 second shutter speed without too much light coming in?


    Half a second is just an example. It depends on how much light is there in the first place.


  • #6
    sineadw
    Registered Users, Registered Users 2 Posts: 3,319 ✭✭✭sineadw


    try these guys. Don't know if they have your size, but I got a full set (2, 4, 8) for under 30 quid and free shipping. And that was for 82mm :eek:


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  • #7
    joeKel73
    Closed Accounts Posts: 3,689 ✭✭✭joeKel73


    Of course you could go the much much cheaper route and put some welding glass over your lens! http://cgi.ebay.ie/Glass-filter-welding-lens-shade_W0QQitemZ170400293157QQcmdZViewItemQQptZLH_DefaultDomain_3?hash=item27aca62125

    Bought a few bit of welding glass myself but didn't get around to trying it yet!


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