|16th of August 2011 (Tue)||#1|
Join Date: May 2011
? about multicoating on ND filter
I'm looking at purchasing a B+W 10 stop ND. B&H has 2 listed in 77mm, one single coated, one multi-coated, with a cost difference of about $60.
Is there any actual practical difference between these that I will actually SEE?
I purchased one here, not sure which noe it was, stacked it with a HOYA ND400 and was getting excellent results on my 5D Mk II.......until I took them off, laid them down and walked off. Expensive mistake.
Anyway, will I see a difference with the MC?
[size="1"]Canon 5D Mk II, 60D, glass and flashes.
|19th of August 2011 (Fri)||#2|
Join Date: Jan 2009
Location: Mojave Desert
Re: ? about multicoating on ND filter
A "coating" is designed to reduce glare and flare. A single coated filter has one layer of, usually, Magnesium Fluoride, which reflects most of the visible spectrum light and is quite effective..
A multi-coated filter uses different thickness of coatings to cover more of the light spectrum and is more efficient since the image can be affected by non-visible light too..
So, there is not a great difference between a single coated filter and a multi-coated one, but a great deal of difference from glass that is not coated at all...
Still, though, if there is no light entering at an angle that needs to be canceled (reflected); then the coating has little affect at all..
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