Thanks, Chuck.
Chris
On 4 Mar 14, at 12:41, Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> Bill is correct. The polarization effect is strongest at 90 degrees
> from the sun and non-existent at 180 degrees (ie, sun directly behind
> you) Since a wide angle lens covers a much larger piece of the sky the
> variation in polarization will be more noticeable. Some people don't
> like it, some don't care.
>
> Ken will likely be ill at the mention of Luminous Landscape but there's
> a good, short tutorial here on the use of polarizers. It spends a fair
> amount of time on the the use of polarizers with wide angle lenses
> including warnings about vignetting and not to use them with panos.
> <http://www.luminous-landscape.com/tutorials/polarizers.shtml>
>
> Chuck Norcutt
>
>
> On 3/3/2014 8:30 PM, NSURIT@xxxxxxx wrote:
>> I would think it might have as much to do with angle of the light rays from
>> the light source as related to the position of the camera. Bill Barber
>>
>>
>> In a message dated 3/3/2014 7:04:18 P.M. Central Standard Time,
>> bwhitmire@xxxxxxxxxxxxxx writes:
>>
>> Polarizers do better on narrower fields of view, I suspect because of the
>> scattering of the light. Uniformity is hard to come by, at least with
>> luminance, or luminosity.
>>
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