23/02/2019
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Terminator 2 is the textbook example of long lenses used for stunts. Lawrence of Arabia is the textbook example of how long lenses create better landscape shots. Amateurs will assume big open landscapes demand big wide lenses. But, often this is a recipe for a flat image that is all foreground. Background features like mountains, dunes, rivers and lakes, look tiny and unimpressive when shot wide and far away. To frame your foreground wide while also featuring the details of a landscape, long lenses are the trick. The cinematography of Lawrence of Arabia is actually a little deceptive to the modern eye. Very few films are shot on a format as big as 70mm. Only Chris Nolan and a few others have really made a habit of using IMAX for most of their films. Why are large formats deceptive? A full frame 50mm lens has a field of view of 39.6 degrees. On 70mm a 50mm lens has 73 degrees of field of view, while retaining the same degree of magnification of background details. This is one reason why IMAX and 70mm produce such great landscape images..
The human eye behaves vaguely like a large format system. We have a large field of view with our peripheral vision, but paradoxically, also a pretty magnified view of what’s directly in front of us. This is precisely the reason why non-photographers are almost never satisfied with the landscape pictures they take on their phones. They're shooting wide with small sensors, resulting in a photo that doesn’t match their memory of the scene. So as a hard and fast rule, if you want to match your own eyeball perception of a landscape, you need to frame with at least a 40mm FOV. You have to back up your camera and reposition your foreground so that it is framed wide, but with a longer focal length..
If you want to take this even further and create super compressed images, a good point of reference is the sun and moon. Around 800mm (full frame) the sun and the moon both fill the frame and equal the height of an average human standing 100 yards away from the camera.
