Collapsing Building

Started 3 months ago | Questions thread
D Cox Forum Pro • Posts: 27,602
Re: Collapsing Building

petrochemist wrote:

Jestertheclown wrote:

D Cox wrote:

Autonerd wrote:

grisog wrote:

Everyone, THANK YOU! Now I understand why its happening and what I need to do different. Also, thanks for showing me how it can be fixed,

In addition to what was said above, I think a wider angle (which you would be using if standing closer) will exacerbate the problem, as a wider angle distorts more. If you can get further back and zoom in, you'll have less rounding.

For photographing buildings, they used to use view cameras or "shift" lenses that could move relative to the film plane. Perspective correction in post is cheaper and easier.


Shift lenses are really just ultra-wide lenses (which the OP already has) with cropping in the camera. The film or plate still has to be kept exactly vertical to avoid converging verticals in the building.

Don Cox

Not all shift lenses are wide angles Both Nikon & Canon make FF models with focal lengths of 85-90mm see PC-E Nikkor 85mm f/2.8D TS-E 90mm f/2.8

Even these cover a wider angle of view than ordinary 90mm lenses. What makes a lens "wide angle" is the image circle diameter relative to the focal length. For example, I have a 60mm lens that covers 5x4 inch as a wide angle.

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