Mitt kamera > Objektiv

Objektivmerker

Finn ut hva tallene på objektivet betyr.

SAMSUNG 18-200 mm F3.5-6.3 ED OIS-objektiv (eksempel)

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Nr.

Beskrivelse

Blenderverdi

1En serie støttede blenderverdier. For eksempel betyr 1:3.5–6.3 maksimum blenderverdi som varierer mellom 3,5 og 6,3.

Brennvidde

 

Avstanden fra midten av objektivet til fokalpunktet (i millimeter).

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Dette tallet uttrykkes i en rekkevidde: minimum brennvidde til

maksimum brennvidde for objektivet.

 

 

Lengre brennvidder fører til smalere visningsvinkler og at motivet blir

 

forstørret. Kortere brennvidder fører til bredere visningsvinkler.

 

 

 

ED

 

ED står for ekstra lav dispersjon. Glass med ekstra lav dispersjon er

3effektivt for å minimere kromatisk aberrasjon (en forvrengning som forekommer når et objektiv ikke klarer å fokusere alle fargene til samme konvergenspunkt).

OIS (s. 89)

4Optisk bildestabilisering. Objektiv med denne funksjonen kan oppdage kameraristing og oppheve bevegelsen inne i kameraet.

Ø

5Objektivets diameter. Hvis du skal feste et filter til objektivet, må du forsikre deg om at diameteren på objektivet og filteret er den samme.

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Samsung EV-NX300ZBFUDK, EV-NX300ZBAVDK manual Objektivmerker, Finn ut hva tallene på objektivet betyr, Brennvidde, OIS s

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