Šum, Optički zoom, Kvaliteta, Razlučivost

Rječnik

Šum

Pogrešno protumačeni pikseli na digitalnoj slici koji se mogu pojaviti kao pogrešno postavljeni ili slučajni, svijetli pikseli. Šum se obično javlja kada su fotografije snimljene uz visoku osjetljivost ili kada je osjetljivost automatski postavljena na tamnom mjestu.

Optički zoom

To je opći zum koji može povećati slike s objektivom i ne pogoršava kvalitetu slika.

Kvaliteta

Izraz stupnja kompresije koji se koristi na digitalnim slikama. Slike najbolje kvalitete imaju niži stupanj kompresije, koja obično rezultira većom veličinom datoteke.

Razlučivost

Broj piksela prisutnih na digitalnoj slici. Slike u visokoj rezoluciji sadrže više piksela i obično pokazuju više pojedinosti nego slike u niskoj rezoluciji.

Brzina zatvarača

Brzina zatvarača se odnosi na vrijeme potrebno za otvaranje i zatvaranje okidača, a to je važan čimbenik za osvjetljenost fotografije, s obzirom da ona kontrolira količinu svjetla koja prolazi kroz zaslon prije nego što dosegne senzor slike. Velika brzina okidača donosi manje vremena za puštanje svjetlosti, tako da fotografija postaje tamnija i lakše zamrzava subjekta u pokretu.

Vinjetiranje

Smanjenje osvjetljenosti slike ili zasićenosti na periferiji (vanjski rubovi) u odnosu na centar slike. Vinjetiranje može privući interesovanje za subjekte smještene u centru slike.

Balans bijele boje (balans boja)

Podešavanje intenziteta boje (obično primarne boje crvena, zelena i plava) na slici. Cilj podešavanja balansa bijele boje, ili ravnoteže boja, je ispravno prikazivanje boja na slici.

Dodaci 96

EC-ST30ZZBPBE3, EC-ST30ZZBPLE3, EC-ST30ZZBPSE3, EC-ST30ZZBPEE3, EC-ST30ZZBPPE3 specifications

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