Would someone just answer the original question. Please?
Wilhelm (Sarasota)
On an Ipad Retina (4th Generation) the screen fits a 129 mm lens according Viewfinder Pro.
Why not just look at the Ground Glass? If the view doesn't match your creative vision, mount a different lens or move the tripod.
The Ground Glass is truth.
Drew Bedo
www.quietlightphoto.com
http://www.artsyhome.com/author/drew-bedo
There are only three types of mounting flanges; too big, too small and wrong thread!
I bought the original app, which you have withdrawn, updated, renamed, and re-offered for sale.
Support for the original app, which was around 20$, is no longer available, and it can no longer be downloaded from the iTunes store.
How long will it be before you re-name this one, in order to attempt to re-sell it, and do you think that your existing customers will ever be tempted to buy from you again?
Well, you could measure the angle of view directly. Mount/clamp/strap the iPad to some support and view a scene . . .a brick wall maybe. Move objects on each side until they are just at the edges. mMasure that angle with a protractor such as is used in school (7th or 8th grade?). Now look up the specs on several lenses and see which focal length most closly matches that field of view.
There is probably a better way to do this direct measurement, but this is what I can come up with just now. I welcome other ideas on how to do this.
Drew Bedo
www.quietlightphoto.com
http://www.artsyhome.com/author/drew-bedo
There are only three types of mounting flanges; too big, too small and wrong thread!
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