In article <5ijh5bF3q2llmU1@mid.individual.net>,
"tim....." wrote:
> "Martin" wrote in message
> news:mrs8c3dupoa9ippufbjf0o67d7bj1ttapn@4ax.com...
> > On Thu, 16 Aug 2007 10:52:28 -0500, erilar
> > wrote:
> >
> >>In article <5ij5dpF3pe9p7U1@mid.individual.net>,
> >> "tim....." wrote:
> >>
> >>> Or put another way, the one that costs circa 32.00 GBP for a
> >>> new one and I wasn't spending that sort of money to find out if
> >>> it was better after I'd discovered how rubbish the zoom lens
> >>> was.
> >>
> >>zoom lens question: are you referring to optical zoom or digital zoom?
> >>The latter is just what you can do on your computer; it doesn't give you
> >>more pixels, so I never bother with it.
> >
> > a zoom lens is an optical zoom, by definition.
>
> Optical zoom.
>
> The problem with small lense is that they simply cannot
> be made with enough elements to provide a perfect picture
> acroos the whole on the lens, across the whole of the
> zoom range.
>
> SLRs have two advantages over compact cameras:
> 1) the lenses can be swapped out so that when you get
> to the point where the lens doesn't work properly you
> stop using it, rather than having to persevere because
> it's the only one you have.
>
> 2) SLR lenses, being bigger, can be made to 'create'
> a bigger image of which only the centre, more perfect,
> part is used as the actual image. Smaller lenses can
> do this but at the expense of the amount of light that
> creates the used image meaning that they are only
> any use in good weather.
>
> Tiny little zoom lenses are never going to give as good
> a picture as an SLR sized lens whatever the pixel count
> of the camera.
I will never argue that my little digital camera can do some of the
things my old SLR can, but I'm not taking pictures for publication,
competition, or slides to project for lectures. I don't settle for poor
photography, but at 73, the weight/quality ratio works for me.
--
Mary, biblioholic
bib-li-o-hol-ism : the habitual longing to purchase, read, store,
admire, and consume books in excess.
http://www.airstreamcomm.net/~erilarlo |