rcr_bulk
07-23 11:22 AM
as folks mentioned above it is totally ok to not renew AP...do it if u travellin in the next few months...
on a side note...do people here know the average time it is takin to renew AP nowdays....TSC......paper and/or electronic..?
I had put in EAD renewal at TSC and got the approved EAD in hand within a month ...that was really good speed...anyone has info on AP approval timelines???
My AP got approved in about a month. I applied some time between 7-10 of last month and I got it on 10th of this month.
on a side note...do people here know the average time it is takin to renew AP nowdays....TSC......paper and/or electronic..?
I had put in EAD renewal at TSC and got the approved EAD in hand within a month ...that was really good speed...anyone has info on AP approval timelines???
My AP got approved in about a month. I applied some time between 7-10 of last month and I got it on 10th of this month.
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uma001
08-21 09:28 AM
Congratulations
NikNikon
May 24th, 2005, 09:21 AM
Cool, I learned something new today. I guess I knew the concept of the polarizer but had yet to learn all of the ins and outs. Thanks Josh.
Linear vs. Circular has mainly to do with whether it works with metering and autofocus sensors in modern cameras. Both polarizers rotate and function similarly (I'm not sure if there is any difference in the effect shown in the image, but I doubt it).
Anyway, an unevenly polarized sky happens not because the polarizer is not rotated properly / enough, but rather because the camera is not quite at a 90 degree angle to the sun; this uneven polarization becomes more noticeable with wide angle lenses (to a point, then as even wider lenses are used, the sky will get dark in the middle and lighter on the edges even right at 90 degrees from the sun).
Linear vs. Circular has mainly to do with whether it works with metering and autofocus sensors in modern cameras. Both polarizers rotate and function similarly (I'm not sure if there is any difference in the effect shown in the image, but I doubt it).
Anyway, an unevenly polarized sky happens not because the polarizer is not rotated properly / enough, but rather because the camera is not quite at a 90 degree angle to the sun; this uneven polarization becomes more noticeable with wide angle lenses (to a point, then as even wider lenses are used, the sky will get dark in the middle and lighter on the edges even right at 90 degrees from the sun).