gdanmitchell
Veteran Member
It isn't that simple. Several things to consider:Zooms can be good for portraits in a pinch if they are wide enough, but f/4 just won't cut it.
- It is not always best to shoot portraits wide open - you may want both eyes in focus!
- You can control background quality by other methods than just opening up all the way: greater distance between subject and background, careful selection of what appears in the background, lighting, and so forth.
- With longer focal lengths, the need for very large apertures is actually less.
Dan
BTW: There is an informal portrait at my blog this morning - shot at f/8 with a 24-105 zoom at 105mm: http://www.gdanmitchell.com/2011/06/14/jameson-mitchell-congratulations
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G Dan Mitchell - SF Bay Area, California, USA
Blog & Gallery: http://www.gdanmitchell.com/
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IM: gdanmitchell
Gear List: Cup, spoon, chewing gum, old shoe laces, spare change, eyeballs, bag of nuts.