Penumbra is lack of sharpness of the film. It is a fuzzy, unclear area that surrounds a radiographic image and is affected by focal spot size(smaller the better), film composition(larger the size of crystals less sharp the image), and movement during the exposure.
your shadow
penumbra
The lighter region of a shadow is called the penumbra, which is the area where some light can still reach.
an umbra is the center of the solar eclipse which is the darker part and the penumbra is farther away from the center of the eclipse and is brighter than the umbra
The Penumbra
Penumbra - band - was created in 1996.
The penumbra landed on the eclipse.
Penumbra Diffuse was created in 2006-01.
the umbra is a darker shadow than the penumbra
Penumbra is the excess fog from scatter radiation
Penumbra Theatre Company was created in 1976.
The umbra is the darker total shadow; the penumbra is the surrounding partial shadow.
your shadow
no there is a difference between numbra and penumbra.we cannot call penumbra numbra.
The umbra is associated with a total eclipse, penumbra with partial.
There are three parts of the video game series Penumbra: Penumbra Overture (2007), Penumbra Black Plague (2008) and Penumbra Requiem (2008). The main story is of the game is about a 30 year-old physicist who is faced mysterious adventures in his life after the sudden death of his mother. The game's genres are first person shooter, survival horror and horror adventure.
penumbra