Neutral density filters


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stonko

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Aug 13, 2006
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#1
Hi guys,
i've been experimenting with using ND filters to lower shutter speeds to flash sync levels for daylight fill flash. Can anyone tell me how many filters can i stack before vignetting occurs?
 

zac08

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Feb 21, 2005
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#2
Hi guys,
i've been experimenting with using ND filters to lower shutter speeds to flash sync levels for daylight fill flash. Can anyone tell me how many filters can i stack before vignetting occurs?
Depends on how wide your lens is. And also if you're shooting digi on film lenses (the crop factor gives you some extra leeway)
 

Artosoft

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Aug 31, 2005
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#3
Hi guys,
i've been experimenting with using ND filters to lower shutter speeds to flash sync levels for daylight fill flash. Can anyone tell me how many filters can i stack before vignetting occurs?
IIRC, you can buy several ND filter like 2X, 4X, 8X. So instead of stacking 3ND2X, you can use 1 ND8X for the same effect.

Regards,
Arto.
 

catchlights

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Staff member
Sep 27, 2004
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www.foto-u.com
#4
how many stops you want to cut down?
2X cut down one stops
4X cut down two stops
8X cut down three stops

stacking too many filters, it will be very dark to view.
 

Oct 30, 2006
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#9
Ok, i learnt another new thing today! You can actually stack filters on top of each other!:eek:

So ND8 is the darkest filter around? :dunno: Will get one for my Sigma 17-70. :heart:

Does it matter what brand u buy?
 

frenchbean

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Jan 12, 2005
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#10
I think there is a ND64 for solar photography... :p

ND8 is about the most that people normally use. Brand do matters as some brands are not really neutral, they have a slight colour cast to it. You can't go wrong with B+W but you gotta pay much more for it.
 

Scaglietti

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Jan 14, 2005
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#11
I think ND64 is not for solar photography. It is used for long exposure in broad daylight. There is a ND1000 which I think is still not sufficiently dark for solar. I believe there is a ND1,000,000 for that purpose.

B+W range of ND filters from 2x to 1,000,000x:
http://www.schneideroptics.com/ecommerce/CatalogSubCategoryDisplay.aspx?CID=679

http://www.adorama.com/BWB60ND10X.html

http://www.adorama.com/BWB60ND1MX.html
 

Sep 29, 2006
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#12
I was quoted the same price for Hoya ND4 and ND8. 67mm - NDx4 $31 (CP-Penin); $30 (MSC)

Hoya has a NDx400 or something like that, which is 4 stops????
 

ExplorerZ

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Jan 9, 2006
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#13
I was quoted the same price for Hoya ND4 and ND8. 67mm - NDx4 $31 (CP-Penin); $30 (MSC)

Hoya has a NDx400 or something like that, which is 4 stops????
for ND filter i don recommend Hoya a single bit... the last one i got have a pretty obvious green tint (ND4). tho they are the cheapest around but it just sucks to have a greenish tint on every photos :sweat:
 

frenchbean

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Jan 12, 2005
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#14
I think ND64 is not for solar photography. It is used for long exposure in broad daylight. There is a ND1000 which I think is still not sufficiently dark for solar. I believe there is a ND1,000,000 for that purpose.

B+W range of ND filters from 2x to 1,000,000x:
http://www.schneideroptics.com/ecommerce/CatalogSubCategoryDisplay.aspx?CID=679

http://www.adorama.com/BWB60ND10X.html

http://www.adorama.com/BWB60ND1MX.html
Oops, my bad. Actually come to think of it, sometimes 3 stops isn't really enough for bright daylight. I had to stack my ND8 with my polarizer once before to take a waterfall pic in bright daylight (no choice cuz ND8 was my only ND filter)

for ND filter i don recommend Hoya a single bit... the last one i got have a pretty obvious green tint (ND4). tho they are the cheapest around but it just sucks to have a greenish tint on every photos :sweat:
Yeah, I've kinda given up on Hoya filters too, but B+W a bit too ex for me leh. So no choice still using Hoya ND. :p Anyway, Hoya isn't the cheapest lar, there are cheaper ones around.
 

Hoky

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Mar 17, 2004
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#15
for ND filter i don recommend Hoya a single bit... the last one i got have a pretty obvious green tint (ND4). tho they are the cheapest around but it just sucks to have a greenish tint on every photos :sweat:
Can you adjust the hue or custom the WB to correct the tint?
 

ExplorerZ

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Jan 9, 2006
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#17
Oops, my bad. Actually come to think of it, sometimes 3 stops isn't really enough for bright daylight. I had to stack my ND8 with my polarizer once before to take a waterfall pic in bright daylight (no choice cuz ND8 was my only ND filter)



Yeah, I've kinda given up on Hoya filters too, but B+W a bit too ex for me leh. So no choice still using Hoya ND. :p Anyway, Hoya isn't the cheapest lar, there are cheaper ones around.
Not very sure about the other brands, but so far i hardly see those brand having ND filter, mostly UV and PL/CPL.

Can you adjust the hue or custom the WB to correct the tint?
well, haven tried it... i only used it once or twice before i give up. adjusting are a headache when you take lots of pictures.
for now im using tianya (cokin p-like system). as far as my non-trained eye can tell, there i no or minimal color cast. best of all price is :thumbsup: :thumbsup: @ only $10 per piece. :sweatsm:
 

ExplorerZ

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Jan 9, 2006
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#19
The Tian Ya one is only ND4 or thereabouts. But true that those are cheap and decent.

There is a ND400. Very fun to use. :thumbsup:
tianya do have ND2 and ND8 as well, not sure about any others, since most CSer here bring in these 3 only, but with something like cokin-p series, we can easily stack 2 piece of ND8 that will be 6stops(more than enough for most application).
price wise, 2piece of ND8 is still much cheaper than a hoya 77mm ND2/4/8
 

Sep 29, 2006
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#20
for ND filter i don recommend Hoya a single bit... the last one i got have a pretty obvious green tint (ND4). tho they are the cheapest around but it just sucks to have a greenish tint on every photos :sweat:
my ND4 has served me well. Considering that i don't make a living from my photogear....its good enuff for me :)
 

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