Advice on lenses for architectural and landscape photography
A wide-angle lens has a wide angle of view, allowing you to capture large buildings and wide landscapes in one photo. The disadvantage of the large angle of view is the distortion that occurs when you tilt the lens up or down. The lines of buildings and trees then slant or they seem to fall on top of you. You can correct this distortion in an image editing program. A part of your photo is lost because you have to cut the image.
To correct skewed perspective lines in advance, use a tilt-shift lens. You can move this lens in relation to the image sensor. By tilting or shifting the lens you raise the distortion. Tilt-shift lenses have a large image circle and are therefore sharper than normal lenses with the same focal point.