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DPChallenge Forums >> Hardware and Software >> ND filter question
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10/27/2005 06:14:18 PM · #1
My camera has a built in electronic ND filter but I still can't take timed exposures w/o severly over exposing the shot. If I combined an actual ND filter w/ the electronic one would this accomplish what I'm trying to do? I only used a 1 sec. exposure at F8 (that's as high as I can go) and the shots were almost all white.
10/27/2005 06:26:16 PM · #2
Originally posted by A4wheelin:

My camera has a built in electronic ND filter but I still can't take timed exposures w/o severly over exposing the shot. If I combined an actual ND filter w/ the electronic one would this accomplish what I'm trying to do? I only used a 1 sec. exposure at F8 (that's as high as I can go) and the shots were almost all white.


You didn't mention what kind of lighting you're dealing with. A one second exposure would be very difficult to get in most daylight situations. Night photos with a lot streetlights could also be difficult at one second.
10/27/2005 06:31:30 PM · #3
Originally posted by pekesty:

Originally posted by A4wheelin:

My camera has a built in electronic ND filter but I still can't take timed exposures w/o severly over exposing the shot. If I combined an actual ND filter w/ the electronic one would this accomplish what I'm trying to do? I only used a 1 sec. exposure at F8 (that's as high as I can go) and the shots were almost all white.


You didn't mention what kind of lighting you're dealing with. A one second exposure would be very difficult to get in most daylight situations. Night photos with a lot streetlights could also be difficult at one second.

I was trying to take a shot of a waterfall at midday. Overcast, but obviously still bright out. Trying to achieve the "blurred" water look with the waterfall.
10/27/2005 07:43:24 PM · #4
You may want to also look into a graduated/gradual nd filter which can be turned to block out the overcast/bright sky.

Looks like those half tinted windshields with the blue on top.
10/27/2005 07:51:51 PM · #5
Yeah, tough situation even when overcast. It would probably take a series of ND's, A 3 stop ND probably at the very least. I've had problems shooting rapids before sunrise in a steep valley, but f8 is the smallest apeture my camera has. Time for an upgrade to dSLR, since the film SLR is practilly retired because of a little digital P&S. If you get yourself some ND's let me know what you think of the brand and quality.
10/27/2005 09:16:46 PM · #6
I've been down this road... you need a more dense filter than the one that's built in to the cam. The built-in filter in the G6 is a 3-stop one, you'll need at the very least 3 if not 5 more stops to get where you need to be. You can add a ND filter and use it in combination with the built-in one without a problem.
10/28/2005 03:12:32 PM · #7
Originally posted by kirbic:

I've been down this road... you need a more dense filter than the one that's built in to the cam. The built-in filter in the G6 is a 3-stop one, you'll need at the very least 3 if not 5 more stops to get where you need to be. You can add a ND filter and use it in combination with the built-in one without a problem.

Excellent thanks!
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