Nikon D70 Manual

Contents

Nikon D70 Manual Manual pdf 105 page image

95Taking Photographs—Flash PhotographyFlash Sync ModesThe following flash sync settings are available in P, S, A, and M modes:DescriptionFlash sync modeThis mode is recommended for most situations. In P andA modes, shutter speed will auto mati cal ly be set to valuesbetween 1/60 and 1/500 s.Red-eye reduction lamp lights for approximately 1 s beforemain flash, causing pupils in subject’s eyes to contract andreducing “red-eye” effect sometimes caused by fl ash. Ow-ing to 1 s shutter-release delay, red-eye reduction is notrecommended with moving subjects or in other situationsin which quick shutter response is required. Do not movecamera while red-eye reduction lamp is lit.In S and M modes, fl ash fi res just before shutter closes, creat-ing effect of stream of light following moving subjects. In Pand A modes, slow-rear curtain sync is used to capture bothsubject and background. Use of tripod is recommended toprevent blurring caused by camera shake.Rear-curtain syncSlow rear-curtain syncCombines red-eye reduction with slow sync. Available onlyin P and A modes. Use of tripod is recommended to preventblur ring caused by camera shake.Slow sync with red-eye reductionFlash is combined with shutter speeds as slow as 30 s tocap ture both subject and background at night or under dimlight. Available only in P and A modes. Use of tripod is rec-ommended to prevent blurring caused by camera shake.Slow syncRed-eye reductionFront-curtain syncFlash AngleThe fl ash angle of the built-in Speedlight can cover the field of view of a 20 mm lens. Itmay not be able to light the entire subject with some lenses or apertures ( 101).ISO AutoWhen On is selected for Custom Setting 5 (ISO auto; 142), sensitivity will automati-cally be adjusted as required for optimal flash output. If a high sensitivity is required,this may result in the background being overexposed when the flash is used at slowshutter speeds (slow sync), in bright daylight (daylight sync), or when the backgroundis brightly lit.