Sure, if you already have skylight filters you can always fix the
white balance or shoot AWB.  But it makes no sense to buy new skylight
filters for digital.

I'm guessing that a lot of older skylight filters would have no AR
coatings, in which case I would expect flare to be a bigger problem
than color.  Uncoated filters can produce a lot of flare:
http://www.lenstip.com/113.24-article-UV_filters_test_Tiffen_72mm_UV.html
While the flare from filters with quality AR coatings is dramatically less:
http://www.lenstip.com/113.22-article-UV_filters_test_Marumi_77_mm_WPC_UV.html

On Tue, May 6, 2014 at 1:59 PM, David J Brooks <[email protected]> wrote:
> I basically use a skylight with any of my lenses used for equine
> photos just to help with dust,. I am thinking of getting one or the
> other for the Sigma as i will use it now for some equine and farm
> work.
>
> Dave
>
> On Tue, May 6, 2014 at 1:11 PM, Mark C <[email protected]> wrote:
>> I use skylight filters on a few lenses with no issues. I think plain glass
>> is probably best, but I bought skylight and UV filters back in the film days
>> and see no need to replace them. I wound up with some skylight filters
>> because I stumbled onto some Pentax SMC skylights at a good price and I
>> figured that a SMC filter would be a good choice to minimize flare.
>>
>> These days I don't use protective filters on many lenses, though I do use an
>> SMC skylight on the A*200mm macro, which accounts for most of my shots. The
>> nature of macro work - this lens has been poked, gone face down into the
>> mud, and suffered other indignities that are less frequent in general
>> shooting. Unlike the 100mm macros I use, the front element is not recessed
>> so I like to have the protection of a filter on it.
>>
>> Mark
>>
>>
>> On 5/6/2014 11:09 AM, David J Brooks wrote:
>>>
>>> One of the several reasons i wanted to get the Pentax 17-70 was its
>>> filter size. I have a number of 67mm filters and did not have to add
>>> to the lot. Although the Sigma is a much nicer lens IMO even with the
>>> reverse zoom, buit its a 72 mm filter. The salesman asked if i needed
>>> protection, and i told him no need i did not want any more children
>>> <ba dum>
>>> I said i'm sure i have a 72 filter some were, ( opps they are 77mm)
>>> and he said if not come back and he'll set me up, "JUST DON'T GET A
>>> SKYLIGHT" he said. I did not ask him why he thought that way, but then
>>> it started to think about it.
>>>
>>> Why not a skylight for protection, is the UV1 better suited,??
>>>
>>> Dave
>>>
>>
>>
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>
> --
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> www.caughtinmotion.com
> http://brooksinthecountry.blogspot.com/
> York Region, Ontario, Canada
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