Coma

RO: Coma EN: Coma

Fotografie

One of Seidel s five aberrations. The image of a point source of light is prevented from being brought into focus, but instead appears shaped as a comet or teardrop. Coma can be reduced by stopping down the lens.
Nikon Grossary

96%

Accuracy

Coma

A lens aberration restrictedto off axis image points; the inability of a lens to render point sources of lightnear the edges of the frame as circular; the points of light appear as comet-shapedblurs (hence the name coma) with the tails flaring toward the center of the image;this aberration is very difficult to eliminate in wideangle lenses with large maximumapertures; improves by stopping down the lens.

Cel Mai folosit cuvant: lens | Domeniu Aplicare : Fotografie | Caractere: 334 Cuvinte: 65 | Limba: Engleza | Sursa Mir glossary

99%

Accuracy

Coma

Aberatie ce consta din incapacitatea obectivului de a reproduce corect un punct stralucitor din lumea reala si care apare sub forma unei comete. .

Cel Mai folosit cuvant: din | Domeniu Aplicare : Fotografie | Caractere: 121 Cuvinte: 24 | Limba: Engleza | Sursa Fotomagazine

70%

Accuracy

Coma

Aberatie ce consta din incapacitatea obiectivului de a reproduce corect un punct stralucitor din lumea reala si care apare sub forma unei comete.

Cel Mai folosit cuvant: din | Domeniu Aplicare : Fotografie | Caractere: 122 Cuvinte: 23 | Limba: Engleza | Sursa f64.ro