The problem with this list is many have their heads up their butts - thus
the mediocre rating - and truly believe unless it is made by Pentax, the
lens is no good. There are some very good - if not better - secondary market
lenses in Pentax mount. If this lens works for you, why bother messing
around with it. Once it's taking apart, unless it's by a geat technician, it
may never be the same again.
cheers - Mart.
--- Tom Rittenhouse <[EMAIL PROTECTED]> wrote:
> A short while back I asked about this lens on the list. I got a
> couple of replies that indicated it was mediocre at best. Well I
> received it from the seller on ebay a couple of days ago. It had
> quite a bit of dirt inside the lens, so I inquired if I could
> return it. While waiting to hear back I gave it the brick wall
> test just to see.
>
> This lens is superb at all apertures including 2.0. There is
> about a stop or fall off at 2.0, a half stop at 2.8, and barely
> discernible fall off at 4.0. Distortion is minimal at all
> apertures, maybe 1, 2% of barrel distortion. The fall off and
> distortion are to be expected with a 24mm lens, so are not a
> problem to me. Every slide was razor sharp under a 10x loupe. I
> decided to keep it of course.
>
> Now, for a question, I am almost afraid to have it cleaned in
> fear that it will not come back as exceptional as it went in,
> any one know if that is an idle worry, or could the spacing be
> got off by a good tech taking it apart and putting it back
> together?
>
> I checked out my other lenses on the same roll of slide film. I
> seem to be lucky with lenses because they are all pretty good,
> even the Sigma 35-70/3.5-4.5 econo zoom, with one exception. The
> exception? The SMC Pentax M 50/1.4. At 1.4 the image is overall
> blurry. It is sharp at 2.0 and smaller. Very strange.
> --Tom
>
>
> --
> Tom "Graywolf" Rittenhouse
> Graywolf Photo, Charlotte, NC, USA
> ------------------------------------------
>
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