Camera mounted on a mini tripod at Clumber Park, Nottinghamshire.
These photos demonstrate that as the focal length gets longer, the angle of view gets narrower. The proportion of the church door stays the same in both pictures.
1/250 F8 ISO200 Focal Length 18mm
1/320 F8 ISO200 Focal Length 24mm
1/400 F8 ISO200 Focal Length 50mm
1/320 F8 ISO200 Focal Length 80mm
1/250 F8 ISO200 Focal Length 145mm
1/250 F8 ISO200 Focal Length 170mm
1/250 F8 ISO200 Focal Length 200mm
With my lens, there is not much difference between the pictures taken at 170mm and 200mm. As the focal length gets longer, the angle of view closes in. This means that in the first picture, There was alot of foreground and the whole church was visible because the angle of view was wide. By the last picture, the angle of view is narrow so only the church door and a small bit of wall is visible. If the picture is looked at through a magnifying glass, it has the same relationship to similar objects.
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