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Instead of using a special wide-angle lens having the disadvantages of picture distortions in certain zones of the photograph taken at the standard size, in the described wide-angle camera according to the invention a lens having a smaller angular field is moved along a film strip which is ...
Pictures are surfaces. Pictures show surfaces. But what is a theory of perception of surfaces? Surface perception was first mentioned in experimental psychology by Metzger in Ganzfeld experiments in the 1930s. However, it was first offered as a serious c
interlocking height: the height of each tab. flap angle: the slope angle of the tab's side. offset start: the distance from the start of the path before joints are generated. offset end: the distance from the end of the path where joints stop. grip: the width of the overlapping portion...
There should be a rocker of a few degrees on both ends. I added a piece of foam to the top of the nose so that I could increase the angle of the nose rocker. I would not do this again. I may as well have just left the top flat; adding that foam increased the SUP's buoyancy...
The Lagoon Nebula is not one of those targets. This nebula is extremely satisfying to photograph using nearly any camera, at any focal length. Even a wide-angle lens will show a noticeable pink glow in the vicinity of M8. It is also bright enough to shine through a light-polluted city ...
A shaft encoder is a device that's attached to a shaft or other rotational device to report its angle. It's most commonly used in...
Instead of a single exposure of a wide-angle area by means of a wide-angle lens or a so-called panoramic camera, a plurality of adjacent individual pictures are exposed with continuous image transitions and only slight overlaps, which when joined to one another produce a continuous image of ...
ANGLE Mark two lines 1.5" long on the top of the piece, immediately next to the walls of the tube. Clamp the piece in a vice, and use a hacksaw to cut along the lines that were just marked. It is important here to cut through just the top side of the tube, not also through the...
5. Smoke ring. This is the hub of the wheel that is the roof. It's an aluminum bicycle wheel with 32 evenly spaced holes drilled into it at a downward angle. 6. Shoulder cord. Circles the wall lattice at the top to keep it from spreading outward while setting up. ...