This is impressive.
Is there an advantage to using the 500D close-up lens rather than the Kenko
12mm tube?
Pierre
At 14:52 3/11/2001 -0600, you wrote:
>http://www.photo.net/photodb/folder?folder_id=106854
>
>Done these with a 12mm kenko tube at f8 on a 28-135 at the 135 end.
>I can get as close as 1 1/2 - 4 in. from 28 - 135 mm. I get the best
>magnification at the 28 end. I uses manual focus on these, but it can do
>auto focus with some searching.
>
>Just thought you would like to compare.
>
>Next time I'll experiment with larger f stops.
>
>-jim
>photo.jarnott.com
>
>
>On Sun, 11 Mar 2001, Bob Turner wrote:
>
> > Pierre,
> >
> > | >| I'm thinking of getting the 72mm 500D Close-up adapter for my 28-135
> > and
> > | >| 100-400 (with step down ring) lenses, and was wondering what
> > magnification
> > | >| ratio these lenses will attain with this attachment.
> > | >|
> > | >| I think that the stronger 250D is not available in 72mm size.
> > | >|
> > | >
> > | >Pierre,
> > | >
> > | >I recently did just that and I have done a couple of comparison
> scans for
> > | >Ken Durling yesterday. You can find the scans at
> > | >http://www.bawbee.co.uk/500D/500d.html I have no scientific data to
> > support
> > | >the scans, they are just comparisons of how far in you can get with the
> > 500D
> > | >attached.
> > | >
> > | >HTH
> > | >
> >
> > | Thanks for the information.
> > | Were these made at 135mm?
> >
> > Yes, sorry, all four shots were taken at the 135 end and there is no
> > cropping. All the shots were scanned at 100 dpi with the same frame size.
> >
> > Bob Turner
> > Dundee, Scotland, U.K.
> > Website : www.bawbee.co.uk
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