14-24 - angles of view at 14mm (not diagonal)

[ed_hurst]

<p>Hello all,<br /> <br /> I have a project in mind for which it is important for me to know separately the horizontal and vertical angles of view for the 14-24 (at 14mm). The diagonal angle of view is not useful to me, though if I thought about it properly, I suppose I should be able to work out what I need since I know the aspect ratio. However, definite info. on this would be much appreciated.<br /> <br /> The sources that I have found online only quote the diagonal angle of view.<br /> <br /> All assistance gratefully received!<br /> <br /> Ed</p>

[rodeo_joe1]

<p>On full-frame the AOVs at 14mm are: Horizontal 104 degrees; Vertical 81 degrees<br /> On DX: Horizontal 80.5 degrees; Vertical 58 degrees</p>

<p>Those are the theoretical AOVs rounded to the nearest 1/2 degree. In reality the lens may (or most probably will) deliver a slightly narrower field-of-view, and the above also takes no account of focusing distance, which will also affect the AOV.</p>

<p>Mathematically, the AOV of any lens can be easily calculated from 2*(ARCTAN(1/2format side length/Focal Length))</p>

[jim_momary]

<p>go to -</p>

<p><a href="http://imaginatorium.org/stuff/angle.htm">http://imaginatorium.org/stuff/angle.htm</a></p>

<p>Stuff in the APS-C size after selecting the focal length (e.g. 14) ...</p>

<p>... for Nikon D7000 H=23.6 and V=15.6 (slight variance for various bodies) ... see here -</p>

<p><a href="http://en.wikipedia.org/wiki/Nikon_DX_format">http://en.wikipedia.org/wiki/Nikon_DX_format</a></p>

<p>Jim</p>

[ed_hurst]

<p>Thank you both - extremely helpful! (And yes, I did mean on full frame - forgot to mention that)</p>

[mike_earussi1]

<p>Here's another good calculator:</p>

<p>http://www.bobatkins.com/photography/technical/field_of_view.html</p>

[pierrotlereveur]

<p>You can also use mobile apps for this, very useful when on a shoot in the field. I'm using DSLR Toolbox for windows phone and it's really handy ! You inform in the settings what type of sensor you're using and then it can compute the angle of view for any focal length and how many shots needed for a 360° panorama in horizonal or vertical position, it also calculates the hyperfocal distance if you give the focal length, F-number and distance to subject. And the icing on the cake : it's free !</p>

<p>Have a look : http://www.windowsphone.com/fr-fr/store/app/dslr-toolbox/ebf1ee69-3be8-df11-9264-00237de2db9e<br>

There must be some equivalent for Ios and Android.</p>

[pierrotlereveur]

<p>I forgot to say that the app gives diagonal, horizontal and vertical angle of view !</p>

[ed_hurst]

<p>Really appreciate all the advice everyone :-)</p>