SLR Photography Guide Issue 79
A free digital photography magazine - SLR Photography Guide
A free digital photography magazine - SLR Photography Guide
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How ToFocusOnTheStars<br />
Ifyou’veevertriedtophotographtheMilkyWay,nodoubtyou’venoticedhowharditisto<br />
focusatnight.Youmayhavealsohadotherphotographerstelyouto‘focustoinfinity’<br />
andwonderedhowtodothat.<br />
Ifit'sdaytime,it’seasytopointyourcameraatadistantsubjectandletthecamera<br />
autofocus,lockingontoinfinity.Nighttimeisanothermater.Ifyouareluckyyourlens<br />
wilhaveaninfinitysymbol(lookslikeafigure8layingonit’sside).Toensuresharpfocus<br />
atnight,putyourlensonMF/M (manualfocus),thenmovethefocalringtothelinejust<br />
beforetheinfinitysymbol.NoteIsaidjustbeforetheinfinitysymbol.Ifyou’vegoneasfar<br />
asyourlenswilalow,thenyou’vegonetoofar.Nowyourreadytophotographstars.