Differences in Hoya filter labels


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cphile

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Dec 20, 2003
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Singapore, Singapore, Singapor
#1
Hi all,

I'm quite puzzled over the variety of HMC variants available.

What does the (0) or (N) after the lens coating mean?
e.g. HMC(N) vs. HMC(0), UV-Guard(0), Super HMC(0) etc?

Have tried a web trawl & a visit to Hoya site but not much conclusive info.
 

#2
I only know that UV-Guard is the cheapest type which is single-coated, then HMC is the multi-coated one which is slightly more expensive and Super-HMC is the most expensive one thats also multi-coated. (N) stands for neutral, (O) I don't know and I also don't know the difference between (N) and (O). UV-Guard gave some flaring with some of my lenses so I stuck with HMC. Super-HMC is too ex.
 

drewdam

New Member
Jun 18, 2005
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#4
they alos have the "Pro 1 D" :)
 

deckard

New Member
Oct 13, 2006
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#5
many diff filters, the glass substrates made from different countries. :)
 

Mar 13, 2007
2,252
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Atlanta, GA
#6
UV (0) means uv zero.. usually a UV filter with a slight slight pinkish hue

(N) is neutral if i'm not wrong, will not affect color of picture/white balance.

i use mostly super hmcs on my lenses, as they are quite well priced compared to other higher end brands, almost invisible as you look through them
 

FilterFunk

Senior Member
Apr 1, 2006
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卧龙岗
#8
UV(o) is optical glass, UV(n) is normal glass.

Hoya previously made all filters UV(o) but due to cost cutting measure, they introduced the usage of normal glass compared to optical glass.

to put everything into short talk, most amateur/intermediate grade Hoya UV filters are made of normal glass. eg. UV, HMC UV.
for professional grade filters, it is made of optical glass. eg. S-HMC UV(o), Pro-1 S-HMV UV(o).
 

lsisaxon

Senior Member
Nov 29, 2004
11,941
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#9
Hi all,

I'm quite puzzled over the variety of HMC variants available.

What does the (0) or (N) after the lens coating mean?
e.g. HMC(N) vs. HMC(0), UV-Guard(0), Super HMC(0) etc?

Have tried a web trawl & a visit to Hoya site but not much conclusive info.
I've only seen UV(0). Never seen (N) or (0) after HMC. :dunno:
 

rendition

Senior Member
Jan 26, 2008
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www.VisualVerve.sg
#10
I never managed to fully understand this whole filter thing. I am currently using the HMC but just happen to be surfing their site, they have, of course the UV series, then I saw the Neutral series filter which to me seems to be just for lens protection. Then they also have the Pro1D Protector series and also the Pro1D UV...If most of us are getting filters just for protection purpose, shouldn't we just get the 'Protector' or 'Neutral' instead of UV guard? :think: Considering that the earlier 2 doesn't affect any colour balance (or does the UV really affect?)

Now, I'm confused just reading my post....
 

Sunburst

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Aug 20, 2007
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#13
S$60 is a good buy for cpl as average it cost anything from $95 and abv for a reputable brand here.
 

lsisaxon

Senior Member
Nov 29, 2004
11,941
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#15
I never managed to fully understand this whole filter thing. I am currently using the HMC but just happen to be surfing their site, they have, of course the UV series, then I saw the Neutral series filter which to me seems to be just for lens protection. Then they also have the Pro1D Protector series and also the Pro1D UV...If most of us are getting filters just for protection purpose, shouldn't we just get the 'Protector' or 'Neutral' instead of UV guard? :think: Considering that the earlier 2 doesn't affect any colour balance (or does the UV really affect?)

Now, I'm confused just reading my post....
If you're shooting film, you should get the UV. But for digital, no need for UV cut anymore, so it's cheaper to get a Neutral or Protector.
 

rendition

Senior Member
Jan 26, 2008
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www.VisualVerve.sg
#16
Ahh...OK, cool, thanks, just saw a site saying that too. What really perplexed me was...considering that many claimed the redundancy of using UV filter on DSLR, why on earth does Hoya have a UV protector for the Pro1 D series which is designed for digital cameras.

Anyways, for now, I shall settle for protector filters.
 

LittleWolf

New Member
Jan 23, 2005
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Singapore
#17
Ahh...OK, cool, thanks, just saw a site saying that too. What really perplexed me was...considering that many claimed the redundancy of using UV filter on DSLR, why on earth does Hoya have a UV protector for the Pro1 D series which is designed for digital cameras.
For the same reason why you see magnetic bracelets or "molecularly modified water" advertised: Because enough people will happily part their money to make it profitable.
 

lsisaxon

Senior Member
Nov 29, 2004
11,941
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#18
Ahh...OK, cool, thanks, just saw a site saying that too. What really perplexed me was...considering that many claimed the redundancy of using UV filter on DSLR, why on earth does Hoya have a UV protector for the Pro1 D series which is designed for digital cameras.

Anyways, for now, I shall settle for protector filters.
Some people do use the same piece of lens for digital as well as for film. It would be a hassle to change to a UV filter only when you want to shoot film. Might as well just get a UV because you can use it for both digital and film. Many of my DX lenses just use a protector like NC or Pro1D protector but the other full frame lenses are all L1Bc (Skylight) or L37c (UV).
 

pictograph

New Member
May 20, 2004
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#19
Hi, i'm planning on getting the Hoya Pro filters for my lenses also.. from what i heard UV could damage your DSLR camera sensor? Is this true? How come Digital Camera no longer need to use UV coating filters? any insight will be greatly appreciated.
 

lsisaxon

Senior Member
Nov 29, 2004
11,941
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#20
Hi, i'm planning on getting the Hoya Pro filters for my lenses also.. from what i heard UV could damage your DSLR camera sensor? Is this true? How come Digital Camera no longer need to use UV coating filters? any insight will be greatly appreciated.
UV will cause a haze effect (lowering of contrast) in certain film types. DSLR doesn't suffer from this problem. Don't see how UV can damage the sensor, it can almost certainly give you skin cancer and cataract if you get exposed long enough though..

http://www.nikonians.org/html/resources/guides/uv_haze_skylight/uv_haze_skylight_filters1.html
 

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