Pincushion Distortion yog dab tsi? Pincushion distortion ua qhov cuam tshuam qhov cuam tshuam los ntawm chim distortion. Hloov cov duab curving rau hauv, pincushion distortion ua rau cov kab ncaj nraim mus rau sab nraud ntawm qhov chaw ntawm daim duab.
pincushion distortion yog dab tsi?
: distortion (raws li los ntawm ib qho khoom siv kho qhov muag lossis TV receiver) nyob rau hauv uas cov duab ntawm ib txoj kab ncaj nraim zoo li yuav nkhaus convexly mus rau axis - piv cov chim distortion.
tus pin cushion hauv kev yees duab yog dab tsi?
Thaum tham txog kev yees duab thiab thaij duab lo lus 'pin-cushioning' yog hais txog rau ib hom kev cuam tshuam uas ua rau cov duab tshwm 'pinched' hauv nruab nrab. Lub sij hawm tau txais nws lub npe los ntawm cov nyhuv thawb tus pin rau hauv tus pin-cushion muaj ntawm nws qhov tsos.
Dab tsi ua rau pincushion distortion?
Barrel thiab pincushion distortions tuaj yeem tshwm sim los ntawm nres lossis apertureLub aperture yog lub qhov lossis qhib, qhov no tuaj yeem yog thaj tsam ntawm lub lens. Ib qho kev txwv txwv cov rays tuaj rau hauv lub lens. Barrel distortion yog tshwm sim thaum nres tshwm ua ntej lub lens.
pincushion distortion zoo li cas?
Pincushion distortion yog qhov cov kab ncaj ncaj khoov lossis "pinch" sab hauv los ntawm qhov nruab nrab ntawm daim duab Feem ntau pincushion distortion tshwm sim ntawm telephoto kawg (ie. 200mm) ntawm lub lens zoom xws li 70-200mm lens. Nws tuaj yeem ua tau zoo rau kev thaij duab vim nws tuaj yeem ua rau tib neeg saib nyias dua li lawv!
