It can be up to 100% sharp.
No, diffuse reflection scatters light in various directions, resulting in a blurred or soft image rather than a sharp one.
To capture a sharp image in low light conditions, you should use a slower shutter speed.
When you zoom in on a photo, the image may appear blurry or not sharp because digital zooming can reduce image quality by magnifying pixels, resulting in a loss of detail and clarity.
Smooth means not sharp, less obvious.
Resolution refers to how sharp an image is. The more pixels (dots) it takes to make up an image, the more detail it has.
High resolution provides clear detailed images. Also, an image that is in focus and is stable when taken will produce a sharp image; which keeps the pixels from blurring.
unsharp mask is bad name for filter that is used for sharpening image. It is sharpening tool, people use it to sharpen image details.
When a microscope image is clear and sharp, it is referred to as being in "focus." Achieving focus involves adjusting the microscope's lenses and stage to ensure that the specimen is adequately magnified and details are visible. A well-focused image allows for better observation and analysis of the specimen's features.
Foxes teeth are sharp allowing them to tear the fur and meat off their prey.
Cell phone cameras focus by adjusting the distance between the lens and the image sensor to ensure that the light rays converge at a single point, creating a clear and sharp image.
It is the one place on the retina where the image of the lens is 'in focus' i.e. sharp
reflection