milford sound valley
akeyswede
![Silver Star Critiquer/Gold Note Writer [C: 23 W: 2 N: 94]](http://i1.trekearth.com/misc/s-n-g.gif){kind=small}
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bmckenzie 2004-05-01 4:22
That's a great pic Dan. Could you tell us more about "2ND". A neutral density filter I assume. I've heard of these being used before, for example, to increase exposure time when shooting running water, as I gather without it the scene is readily over-exposed. Do you normal use such a filter when shooting in good weather? How does it differ in function from a skylight/ polarizer? Is it something we all should add to our kit. Do tell ;-)
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#1
05-02-2004, 08:19 AM
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To bmckenzie: 2ND filter
I was inspired by Galen Rowell (who unfortunately passed away in a plane crash) and is one of my favorite photographers...
check out http://www.mountainlight.com/filters.html Basically my 2ND graduated filter was used to "hold back" the sky on this photo as it was at least a few stops brighter than the foreground. Print film has more latitude (to differences of exposure within an image) than slide film... one certainly needs this type of filter when using slide film. You can get HARD and GRADUATED neutral density filters. They only affect exposure... not color. 
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#2
05-03-2004, 11:20 AM
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Re: To bmckenzie: 2ND filter
Thanks Dan. Although I'd heard of ND filters I hadn't come across hard + graduated ones. I see you have also use a hard ND to good effect here:
http://www.trekearth.com/gallery/Europe/Italy/photo54613.htm I can think of a number of shots that might have been saved thru the use of a 2-stop graduated ND. I wonder if it's possible to simulate this effect using a filter in Photoshop: anyone know?
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