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-   -   Wide angle Sizes (https://www.dvinfo.net/forum/sony-xdcam-ex-pro-handhelds/135146-wide-angle-sizes.html)

Mark Twittey October 3rd, 2008 06:56 AM

Wide angle Sizes
 
I have a Sony wide angle .8 on my EX3.
But it shows my mattebox edges when full wide.
Would a .75 be less wide or more wide?
Thanks

Alexander Kubalsky October 3rd, 2008 07:07 AM

Quote:

Originally Posted by Mark Twittey (Post 946348)
I have a Sony wide angle .8 on my EX3.
But it shows my mattebox edges when full wide.
Would a .75 be less wide or more wide?
Thanks

A .75 would be just a little wider.

Paul Kellett October 3rd, 2008 07:38 AM

0.8 means 20% wider
0.7 means 30% wider
0.6 means 40% wider
0.5 means 50% wider.

see the connection.

Paul.

Mark Twittey October 3rd, 2008 09:22 AM

Thanks Guys
All clear now!

Les Nagy October 3rd, 2008 10:05 AM

Quote:

Originally Posted by Paul Kellett (Post 946365)
0.8 means 20% wider
0.7 means 30% wider
0.6 means 40% wider
0.5 means 50% wider.

Sorry to be a nit-picker, but this is not quite correct if you are referring to field of view. 0.8 is 80% of the focal length and would be 1/0.8 "wider" or 25% wider if you want to talk field of view.

0.8 1/0.8 25%
0.7 1/0.7 43%
0.6 1/0.6 66%
0.5 1/0.5 100%


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