sasha61

4 ms·

1. 1.▲
   by sasha61 15y ago

   One thing we should also remember that because of the finite size of either silver halide particles in films or pixels in image sensors, it would not make sense to use very high F values - it would just not serve the purpose since once CoC
2. 2.▲
   by sasha61 15y ago

   Actually this is not quite correct. F is ratio of aperture to focal length. As such, it does not tell you the absolute values of either, but it definitely does relate to DOF (although this will be affected by the focal length value - e.g.,
3. 3.▲
   by sasha61 15y ago

   If you have ipod/iphone/ipad, have a look at < http://www.islap101.com/&#62 ; (and review of it at < http://lifehacker.com/5501364/photo-tutor-teaches-basic-came... . There are actually two apps (one for shutter speed and one for ap