ND Stops

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tyronet2000
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2,402 posts

Joined: 16/04/2011
Location: Northumberland

Link Posted 12/06/2012 - 09:52

Came across these tables and was wondering if they are acurate for using as a quick reference:

Regards
Stan

To My Snaps...

PPG

Last Edited by tyronet2000 on 12/06/2012 - 09:53

Frogherder
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1,729 posts

Joined: 19/02/2009
Location: Burton upon Trent

Link Posted 12/06/2012 - 10:05

Looks about right at first glance, at least the maths tallies. But if pushing it to 10 stop I would suggest it would be prudent to try a test stop first.

I have a similar table somewhere for the lower stopped filters - the ones which are usually labelled ND1; ND2;.....ND32 the latter of which is only 5 stop (I think) but even with these a bit of tweeking often helps. Ususally a longer exposure is required.

regards
Bernard

tyronet2000
Member

2,402 posts

Joined: 16/04/2011
Location: Northumberland

Link Posted 12/06/2012 - 10:30

I've got a Hoya ND2 and ND4 screw in unused and the Kood 2 and 4(Cokin square type) unused and one of those varifilters from 7Dayshop which goes from clear to black which is supposed to be 8 stop IIRC. Didn't have a lot of success with it first time round so waiting for a nice day to try again