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  Photography Forum: Photography Help Forum: 
  Q. UV or skylight filter.... is it really necessary?

Asked by Valentin Enriquez    (K=444) on 8/8/2004 
Hello
I need to know if either of those two filters is necessary, i know they help me protect my lens... but i heard that some filters might cause glare and unwanted reflections specially at night, so is it necessary to have one.... this might be a dumb question, but i need opinions..
Thanks for your time
Valentin


    



 Peter Witkop   (K=3189) - Comment Date 8/8/2004
They're good to have on the lens most of the time, and they do help to cut down on atmopheric haze a bit (not dramatic though), but in some situations, especially at night they can cause unwanted reflections. In that case, you just take them off, everything works just fine.

Peter





 Deb Mayes   (K=19605) - Comment Date 8/8/2004
Valentin, people appear to be either strongly for or against UV and skylight filters "for protection".

Professionals like John Shaw and Moose Peterson (among others) come out pretty strongly against them. You've already mentioned one of the reasons they cite - unwanted reflections. Another they give is that you've paid a lot for good glass (your lens); why corrupt it with a cheap filter. (Both recommend a lens hood for protection instead.)

On those occasions when there's haze, a polarizer will actually do the job better than a UV filter. A skylight filter can help in shade (to correct the blue cast), but you don't need it with most digital cameras.

The people who've bought into the theory of UV filters for protection can get pretty vehement; the pros on the other side are equally vehement. Once again, suit yourself. ;)




Phillip Cohen
 Phillip Cohen  Donor  (K=10561) - Comment Date 8/9/2004
I use them mostly for protection, not for image enhancement. Unlike Moose and the other big names, I do not have Nikon or any other camera company supplying me with goodies. I have to pay for them myself. I would much rather spend 30 bux to replace a cracked filter then spend a lot more replacing a broken front element. The key is to purchase good quality multicoated filters not the bargain basement crap window glass that is out there.


Phil





 Sony Kusumo   (K=7190) - Comment Date 8/9/2004
I agree completely with Philip. Most of the time, UV (I use mostly UV) filter is for protection. Imagine some good UV multicoated filter (like Hoya HMC) which cost you about US$ 15 to 20 will save your front 72mm lens which will cost you half the price of the lens!!! You want some good UV filter, buy multicoated ones. A bit more expensive than just singlecoated glass, but saves lots of beautiful shoot (besides, most of the time you don't have to remove them from the front of your lense). For digital camera, I think -although I'm not sure 'cos I haven't read any article of this- it could also protect the sensor from hazardous UV rays.....




Kevin H
 Kevin H   (K=22502) - Comment Date 8/14/2004
I'm not a professional nor do I get free stuff from Nikon (I have a Nikon F65). But I do agree with the saying, ?your lens is only as good as the filter you put in front of it?. If you watch out and make sure your lens is out of harms way, then why put a filter on? On the other hand, if you?re on the beach or in the crowd, then it may be a good idea to put it on. I have a Sky filter for that kind of situation.




Kevin H
 Kevin H   (K=22502) - Comment Date 8/14/2004
I forgot to say, I do alot of night photography and usually when I do it, there isn't alot of people around, so I don't have to worry about my lens. Also I have tried taking pictures with a filter on and you do sometimes get unwanted reflection.





 Valentin Enriquez   (K=444) - Comment Date 8/17/2004
Thanks Kevin for your comment... I appreciate it.. I guess i will use a filter just when i think it might get damaged..
Valentin





 Valentin Enriquez   (K=444) - Comment Date 8/17/2004
Thanks for your comment, I have shot at night without the filter and I have had nice results, I will keep shooting at night without filter.
Valentin





 Valentin Enriquez   (K=444) - Comment Date 8/17/2004
thanks for your comment Deb, I am just a little confused now, why digital cameras don't need a filter?
Valentin





 Valentin Enriquez   (K=444) - Comment Date 8/17/2004
Hi phillip!
Thanks for your comment... I heard hoya multicoated is a good filter, what do you know about it?
Thanks





 Valentin Enriquez   (K=444) - Comment Date 8/17/2004
Hi Sony!
Thanks for your comment, so what filter do you recommend me? my lens is 62mm
Valentin





 Sony Kusumo   (K=7190) - Comment Date 8/17/2004
In my experience so far, IMHO, I suggested Hoya HMC, because the quality (of the multicoating) is good, and it's not as expensive as B&W or other high-end brand.... Hope this helps





 Stan Pustylnik   (K=6768) - Comment Date 8/20/2004
Filters are great unless you don't want to loose light... :) Funny that lot of photographers are in hunt for fast lenses, like f/1.4, or f/1.7. Then they are buying filters without thinking that UV or any other filter will make decrease light amout at least by 0.5. Which will make f/1.9 from awesome f/1.4.
In my opinion - use any filter only when you really need it. Otherwise you will loose critical light amount needed for shutter speed, and also color.




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