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FORUMS ➔ Cameras, Lenses & Accessories ➔ Canon Lenses 
Thread started 10 Jul 2010 (Saturday) 21:54
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fisheye - UWA questions on crop and FF

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mike ­ cabilangan
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Jul 10, 2010 21:54 |  #1

trying to decide between a few lenses:

sigma 12-24
canon/sigma 15 FE
tokina 10-17 FE
tokina 11-16
sigma 8-16

i have both crop and FF

the 15 on FF has an angle of view of 180deg
the 12mm UWA on FF has an angle of view of 122deg

what angle of view is left if the 15 FE is used on a canon 1.6 crop?

will defishing further reduce the AOV?

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mike ­ cabilangan
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Jul 10, 2010 23:45 |  #2

i'm guessing 117 degrees? or is it 112.5 degrees (180deg / 1.6)

http://www.acapixus.dk​/photography/panotools​.htm (external link)

are there other free defishing software out there?

does lightroom 3 have a built in defisher?

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fisheye - UWA questions on crop and FF
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