Even I\'m confused by this statement. Could you please explain?
Rob
Sorry for the rudimentary drawing but perhaps this will help you understand better.
This is relevant to the composition/framing discussion above. When shooting with devices that lack a viewfinder (ie Ricoh GR, iPhone, etc) it is practically impossible to get a true 28mm FOV because the lens is always 5\" to 15\" in front of your face. This is why I believe 28mm is the new 35mm in the digital era.
Two points to consider...
A difference of 5 - 15\" is insignificant with regard to the difference between lenses with an actual focal length of 28mm vs 35mm\'s because you must physically move your position about 8-12 Feet (vs 5 - 15\") to equalize the frame of view between these two focal lengths (at camera to subject distances of 30 feet or greater). This is the point many don\'t realize - there is a larger, practical difference between these two seemingly close focal lengths.
The other minor point is that if you have an articulating screen, you of course do not have to hold the camera away from your body.
I\'m not sure if your calculations are correct, but your point is well taken nonetheless. You cannot make a 28mm lens behave like a 35mm lens simply by extending your arms. And even if you do move the required 8-12 feet to equalize what is in the frame, you still won\'t get identical images, because you will have changed perspective. I think this is the concept that some people are struggling with.
Rob
Jan 23, 2016 at 12:00 PM
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