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UV Protector filter vs. Skylight filter?



 
 
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  #1  
Old June 26th 04, 04:37 AM
john
external usenet poster
 
Posts: n/a
Default UV Protector filter vs. Skylight filter?

Hi folks,

I'm trying to find out more information about the filters I should be using,
but when I try to search on the internet, I usually just keep getting links
to sites selling filters, not giving information.

I'm confused as to the difference between UV Protector filters and Skylight
filters. On the one site where I found information, it said this about UV
Protector filters:

UV filters are wise initial investments. They help protect your
valuable investment from dust, moisture and scratches, which
can lead to costly repairs. If desired they can be left on the
lens at all times for protection. UV filters provide additional
benefits of correction for Ultraviolet (UV) light which can
register on film and videotape as a bluish cast and can
obscure distant details. Ultraviolet filters allow you to correct
for the UV effect to varying degrees.

And then it said this about Skylight filters:

Due to its light pink color, the Skylight reduces the bluish cast
of daylight and produces a pleasing, warmer picture tone.
Wise initial investments, they help protect your lens from
dust, moisture and scratches, which can lead to costly repairs.
If desired they can be left on at all times for protection.
Skylight filters provide additional benefits of correction for
Ultraviolet (UV) light which can register on film and videotape
as a bluish cast and can obscure distant details. Also used to
reduce the bluish cast common with some electronic flash
units.

They almost sound exactly the same. Essentially, I'm looking for a good,
all-purpose filter for both day and indoor/night shooting that will protect
my lens and provide good quality light and color for those specific
instances when I'm not using my polarizing filter. I'm not sure if it
matters, but I have a Nikon D70 and Nikon F60.

Can someone please explain? Thanks so much.
J


  #2  
Old June 26th 04, 04:43 AM
Robertwgross
external usenet poster
 
Posts: n/a
Default UV Protector filter vs. Skylight filter?

john wrote:
I'm trying to find out more information about the filters I should be using,
but when I try to search on the internet, I usually just keep getting links
to sites selling filters, not giving information.
I'm confused as to the difference between UV Protector filters and Skylight
filters. On the one site where I found information, it said this about UV
Protector filters:
UV filters are wise initial investments. They help protect your
valuable investment from dust, moisture and scratches, which
can lead to costly repairs. If desired they can be left on the
lens at all times for protection. UV filters provide additional
benefits of correction for Ultraviolet (UV) light which can
register on film and videotape as a bluish cast and can
obscure distant details. Ultraviolet filters allow you to correct
for the UV effect to varying degrees.
And then it said this about Skylight filters:
Due to its light pink color, the Skylight reduces the bluish cast
of daylight and produces a pleasing, warmer picture tone.
Wise initial investments, they help protect your lens from
dust, moisture and scratches, which can lead to costly repairs.
If desired they can be left on at all times for protection.
Skylight filters provide additional benefits of correction for
Ultraviolet (UV) light which can register on film and videotape
as a bluish cast and can obscure distant details. Also used to
reduce the bluish cast common with some electronic flash
units.
They almost sound exactly the same. Essentially, I'm looking for a good,
all-purpose filter for both day and indoor/night shooting that will protect
my lens and provide good quality light and color for those specific
instances when I'm not using my polarizing filter. I'm not sure if it
matters, but I have a Nikon D70 and Nikon F60.
Can someone please explain? Thanks so much.


As far as visible light goes, the UV filter does nothing at all. All it removes
is some ultraviolet, and for a film camera, this makes some sense. Most digital
cameras already have a UV filter at the sensor, so about all you are getting is
something out in front of your lens for mechanical protection (which is not
insignificant). A skylight filter has just a touch of pink warming to it, just
enough to warm an overly blue sky. Some days you might want it. Again, a filter
of any kind can serve as mechanical protection to an expensive lens. If you
have a terribly cheap lens, then forget them.

---Bob Gross---
  #3  
Old June 26th 04, 07:18 AM
Tony Spadaro
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Posts: n/a
Default UV Protector filter vs. Skylight filter?

They are not exactly the same. The skylight warms the image slightly - an
effect I find annoying. The best use for one is in taking shade portraits to
counter the blueness of the light which is not particularly a good look on
human skin. Unless you are at sea or high on a mountain the UV has no effect
on the picture. Where there is UV haze --- like when you are taking a
picture of a far away island a UV filter will cut some of it -- which means
you might want to remove it for such shots.
Basically the web site you got those statements from is run by someone
who has either never used the filters or is colourblind.
Get a GOOD UV filter - it is going to be on your lens most of the time. I
suggest Hoya Multicoats or SuperMulticoats - they are reasonably priced and
top quality. Some people claim the German made filters are less likely to
stick on lenses - I've never had a filter stick on a lens and don't feel
like spending four times as much for the "extra assurance" they claim the
brass rings give.
--
http://www.chapelhillnoir.com
home of The Camera-ist's Manifesto
The Improved Links Pages are at
http://www.chapelhillnoir.com/links/mlinks00.html
A sample chapter from my novel "Haight-Ashbury" is at
http://www.chapelhillnoir.com/writ/hait/hatitl.html
"john" wrote in message
news:2c6Dc.891010$oR5.688638@pd7tw3no...
Hi folks,

I'm trying to find out more information about the filters I should be

using,
but when I try to search on the internet, I usually just keep getting

links
to sites selling filters, not giving information.

I'm confused as to the difference between UV Protector filters and

Skylight
filters. On the one site where I found information, it said this about UV
Protector filters:

UV filters are wise initial investments. They help protect your
valuable investment from dust, moisture and scratches, which
can lead to costly repairs. If desired they can be left on the
lens at all times for protection. UV filters provide additional
benefits of correction for Ultraviolet (UV) light which can
register on film and videotape as a bluish cast and can
obscure distant details. Ultraviolet filters allow you to correct
for the UV effect to varying degrees.

And then it said this about Skylight filters:

Due to its light pink color, the Skylight reduces the bluish cast
of daylight and produces a pleasing, warmer picture tone.
Wise initial investments, they help protect your lens from
dust, moisture and scratches, which can lead to costly repairs.
If desired they can be left on at all times for protection.
Skylight filters provide additional benefits of correction for
Ultraviolet (UV) light which can register on film and videotape
as a bluish cast and can obscure distant details. Also used to
reduce the bluish cast common with some electronic flash
units.

They almost sound exactly the same. Essentially, I'm looking for a good,
all-purpose filter for both day and indoor/night shooting that will

protect
my lens and provide good quality light and color for those specific
instances when I'm not using my polarizing filter. I'm not sure if it
matters, but I have a Nikon D70 and Nikon F60.

Can someone please explain? Thanks so much.
J




  #4  
Old June 26th 04, 09:51 AM
Bob Salomon
external usenet poster
 
Posts: n/a
Default UV Protector filter vs. Skylight filter?

In article ,
"Tony Spadaro" wrote:

Some people claim the German made filters are less likely to
stick on lenses - I've never had a filter stick on a lens and don't feel
like spending four times as much for the "extra assurance" they claim the
brass rings give.


Not quite the claim.

There are filters made with plastic mounts. There are filters made with
aluminum mounts. There are filters made with brass mounts.

Plastic and aluminum mounts can be easily cross threaded and may bind.
Brass mounts can't cross thread and are less likely to bind.

German filters like Heliopan have brass mounts.

--
To reply no_ HPMarketing Corp.
  #5  
Old June 26th 04, 10:36 AM
TP
external usenet poster
 
Posts: n/a
Default UV Protector filter vs. Skylight filter?

"john" wrote:

Hi folks,

I'm trying to find out more information about the filters I should be using,
but when I try to search on the internet, I usually just keep getting links
to sites selling filters, not giving information.

I'm confused as to the difference between UV Protector filters and Skylight
filters. On the one site where I found information, it said this about UV
Protector filters:

UV filters are wise initial investments. They help protect your
valuable investment from dust, moisture and scratches, which
can lead to costly repairs. If desired they can be left on the
lens at all times for protection. UV filters provide additional
benefits of correction for Ultraviolet (UV) light which can
register on film and videotape as a bluish cast and can
obscure distant details. Ultraviolet filters allow you to correct
for the UV effect to varying degrees.

And then it said this about Skylight filters:

Due to its light pink color, the Skylight reduces the bluish cast
of daylight and produces a pleasing, warmer picture tone.
Wise initial investments, they help protect your lens from
dust, moisture and scratches, which can lead to costly repairs.
If desired they can be left on at all times for protection.
Skylight filters provide additional benefits of correction for
Ultraviolet (UV) light which can register on film and videotape
as a bluish cast and can obscure distant details. Also used to
reduce the bluish cast common with some electronic flash
units.

They almost sound exactly the same.


They aren't the same. The UV filter has no colour cast.

The Skylight filter adds a slight pink or straw-coloured cast to your
shots - in addition to the UV filtering effect that it shares with the
UV filter.

Essentially, I'm looking for a good,
all-purpose filter for both day and indoor/night shooting that will protect
my lens and provide good quality light and color for those specific
instances when I'm not using my polarizing filter. I'm not sure if it
matters, but I have a Nikon D70 and Nikon F60.

Can someone please explain? Thanks so much.


The UV filter is the one to go for, because it will not add a colour
cast to your shots. You can leave it on all the time. In general,
you should only use a filter that changes colours when you actually
need one.

No doubt your post will spark the usual fierce debate on whether it is
a good idea to use a UV filter all the time. That debate has raged
for the 30+ years I have been shooting film and I have no doubt it
will still be raging 30 years from now!

Personally, I use UV filters because they are easier to keep clean
than the front element of a lens and a darn sight cheaper to replace
if scratched or damaged. Your mileage may vary.


  #6  
Old June 26th 04, 10:38 AM
TP
external usenet poster
 
Posts: n/a
Default UV Protector filter vs. Skylight filter?

"Tony Spadaro" wrote:

Get a GOOD UV filter - it is going to be on your lens most of the time. I
suggest Hoya Multicoats or SuperMulticoats - they are reasonably priced and
top quality.


Hoya multi-coated filters are almost impossible to keep clean. Avoid.

Some people claim the German made filters are less likely to
stick on lenses - I've never had a filter stick on a lens and don't feel
like spending four times as much for the "extra assurance" they claim the
brass rings give.


Shop around for the best prices, and you have no need to pay four
times more.


  #7  
Old June 26th 04, 12:01 PM
Bandicoot
external usenet poster
 
Posts: n/a
Default UV Protector filter vs. Skylight filter?

"TP" wrote in message
news
"john" wrote:

Hi folks,

I'm trying to find out more information about the filters I should be

using,
but when I try to search on the internet, I usually just keep getting

links
to sites selling filters, not giving information.

I'm confused as to the difference between UV Protector filters and

Skylight
filters. On the one site where I found information, it said this about UV
Protector filters:

UV filters are wise initial investments. They help protect your
valuable investment from dust, moisture and scratches, which
can lead to costly repairs. If desired they can be left on the
lens at all times for protection. UV filters provide additional
benefits of correction for Ultraviolet (UV) light which can
register on film and videotape as a bluish cast and can
obscure distant details. Ultraviolet filters allow you to correct
for the UV effect to varying degrees.

And then it said this about Skylight filters:

Due to its light pink color, the Skylight reduces the bluish cast
of daylight and produces a pleasing, warmer picture tone.
Wise initial investments, they help protect your lens from
dust, moisture and scratches, which can lead to costly repairs.
If desired they can be left on at all times for protection.
Skylight filters provide additional benefits of correction for
Ultraviolet (UV) light which can register on film and videotape
as a bluish cast and can obscure distant details. Also used to
reduce the bluish cast common with some electronic flash
units.

They almost sound exactly the same.



Apologies for replying via TP's post - I can't see the OP for some reason.

A similar question has come up several times on the group, and a while back
I posted a link to a transmission chart that shows how different the
characteristics of UV and Skylight (1A) filters a

http://www.bard-hill.co.uk/filters.html

A UV filter attenuates actual UV more strongly, and so will be a better bet
where excess UV is a problem - near the sea, at high altitude, at very low
latitudes. (This issues arises because film can see UV light, and renders
it blue, that the human eye can't see: so an excess of UV that is invisible
to us will make photographs look too blue, and also add haze to distant
views.) A UV filter should attenuate visible light very little, but it will
reduce the extreme purple end.

The Skylight doesn't attenuate UV as much or as sharply, but it does take
out a little more of the visible light, notably in the blue-green range.
This means it makes scenes look slightly warmer. It is designed to correct
for the excess blueness of scenes shot in shade on cloudless days, or
outside generally when cloud obscurs the sun - ie. when the light is coming
mostly from the blue sky. Definitely helps (on slide film) if taking
portraits in shade, but the effect is not _that_ marked otherwise.

I use UV filters more often than Skylights, but I do sometimes use a
Skylight in shade. For warming per se I'm more likely to use an 81 series
or a KR filter.



Peter


  #8  
Old June 26th 04, 02:49 PM
Don Stauffer
external usenet poster
 
Posts: n/a
Default UV Protector filter vs. Skylight filter?

They ARE almost the same thing. With film, the very subtle color
shading of skylight may be objectionable to some folks.

However, in digital world, you can make color changes after the fact, so
there is little difference between UV and skylight.

One reason to have both is if you are going to be shooting from an
aircraft or taking distant landscapes. The skylight cuts haze a bit
more than UV. Use the UV filter for closeups and normal distances,
skylight for distant scenes. But, the difference is really quite small.

john wrote:

Hi folks,



They almost sound exactly the same. Essentially, I'm looking for a good,
all-purpose filter for both day and indoor/night shooting that will protect
my lens and provide good quality light and color for those specific
instances when I'm not using my polarizing filter. I'm not sure if it
matters, but I have a Nikon D70 and Nikon F60.

Can someone please explain? Thanks so much.
J


--
Don Stauffer in Minnesota

webpage-
http://www.usfamily.net/web/stauffer
  #9  
Old June 26th 04, 04:44 PM
external usenet poster
 
Posts: n/a
Default UV Protector filter vs. Skylight filter?

In message ,
Don Stauffer wrote:

However, in digital world, you can make color changes after the fact, so
there is little difference between UV and skylight.


If you shoot RAW, there isn't even a change at all, if you do color
balancing in the RAW converter. You are scaling the RAW data for the
first time, using your specific scaling as a _sustitute_ for the
default. The native scaling of the sensor/CFA is not what you get
without any color adjustments; it would be totally unusable on many
cameras, except as a special effect. On the 10D, equal scaling of the
channels would result in a very cyan cast, as the red channel is 0.6
stops less sensitive than the blue and green channels.
--


John P Sheehy

 




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