ND Filters 100mm or screw on?

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erding

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Tom
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Looking into the purchase of ND filters - is there any advantage or disadvantage between using either the circular screw on filters or 100mm square which fit into a Lee holder?
 
Jayst84 said:
With a screw on, you're stuck with the transition where it is. With the square filters you can move it up and down in the holder depending on where your horizon is. I use square Cokin filters, and would never buy a fixed one.
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Thanks but to clarify I am asking about ND filters - where there is no transition - not graduated ND filters.

Tom
 
I've gone for the screw in type for my ND's as they are light tight where as the Cokin style will let light in from the top and bottom of the filter which could effect the exposure although i have not tested the effect of this.
 
Dogfish_magnet said:
I've gone for the screw in type for my ND's as they are light tight where as the Cokin style will let light in from the top and bottom of the filter which could effect the exposure although i have not tested the effect of this.
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Thanks it is the could aspect which is of interest.
 
For small levels of ND (upto 3stop) I don't think there is much effect from light leakage with slot-ins. Once you go to higher levels there is definately an issue at longer exposures, so if you want 6 or 10 stop NDs I think they should be screw in.

Note to save money get 77mm or 82mm and buy steping rings for each of your lenses :thumbs:
 
you'll need different screw ins for different lens diameters, where with a holder you'll just need different adapters.

If its just NDs it might not be too bad, but if you plan on getting grads, colour temp correctors etc then a holder would be cheaper
 
Uneducated_Rick said:
you'll need different screw ins for different lens diameters, where with a holder you'll just need different adapters.

If its just NDs it might not be too bad, but if you plan on getting grads, colour temp correctors etc then a holder would be cheaper
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Or, you just buy the biggest one, and a few step-down rings for smaller lenses. (Assuming you actually have lenses of different diameter).
 
Uneducated_Rick said:
you'll need different screw ins for different lens diameters, where with a holder you'll just need different adapters.

If its just NDs it might not be too bad, but if you plan on getting grads, colour temp correctors etc then a holder would be cheaper
Click to expand...

I just use screwin ND's and cokin style for the the ND grads - I got 82mm ND's as that was the largest filter size i had and use stepping rings from china (set of 8 rings for £12.00) to fit onto my other len's - there's just a slight shadow at 16mm on my 16-85mm but no other drama.
 
I would go with screwin. Ive got a 10 stop screwing which works perfect. I've also got and used 10,12 and 14 stop slot in filters. Unfortunately they caused so much flare in light leak that I gave up on using them. Screw in is the way forward imo. (until somone invents a better system anyway)
 
Dogfish_magnet said:
I just use screwin ND's and cokin style for the the ND grads - I got 82mm ND's as that was the largest filter size i had and use stepping rings from china (set of 8 rings for £12.00) to fit onto my other len's - there's just a slight shadow at 16mm on my 16-85mm but no other drama.
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Which 82mm ND's are you using?
 
Messiah Khan said:
I would go with screwin. Ive got a 10 stop screwing which works perfect. I've also got and used 10,12 and 14 stop slot in filters. Unfortunately they caused so much flare in light leak that I gave up on using them. Screw in is the way forward imo. (until somone invents a better system anyway)
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Thats interesting to read. I was about to order a set of ND grads and a 10 stop ND slot in filter, but if light leakage will be an issue I guess I'll need to save a little more and get a screw in ND10.
 
low density slot ins aren't so bad but high denisty ones are best left to screw-ins if at all possible, this is because light leakage with the expected exposure times will be quite high, lower strength ND's with shorter shutter speeds may not suffer in similar fashion.
some lenses protrude beyond the rim such as fisheyes making filters mostly impossible...
 
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