>From: [EMAIL PROTECTED] (Marco Kost)
>Hm, as far as I understand the extension tube would cause a loss of light,
and also I
> heard that it is a little bit different to focus when using an extension
tube combined
> with a zoom.
Light loss might be a factor (see manuals for extension tubes), but
> What about one or more extension tubes? They won't compromise optical
> quality and they still allow TTL metering and automatic aperture function.
Oh, but they do degrade optical performance.
Otherwise we could just take any lens, add
an extension tube and make it a macro lens.
(Canon wouldn
Hello David,
> > At the moment I´m thinking of getting a Canon 500D Closeup lens for my
> > Sigma EX 2.8/70-200, as I´m not very happy with the closest focusing
> > distance of 1.8m. Besides that, I think it is a great lens.
>
> What about one or more extension tubes? They won't compromise opti
> From: [EMAIL PROTECTED] (Marco Kost)
> Subject: EOS Closeup filter 500D
>
> Hello,
>
> At the moment I´m thinking of getting a Canon 500D Closeup lens for my
> Sigma EX 2.8/70-200, as I´m not very happy with the closest focusing
> distance of 1.8m. Besides that, I think it is a great lens.
Wha
> >So my question is: Is there anybody on this list who uses this combo
> >and would share his/her experience with me? How many cm would I gain in
> >focusing closer?
>
I have the 500D and it is great to take along when I'm carrying either a
100-400 or 70-200. It keeps the macro option open w
>So my question is: Is there anybody on this list who uses this combo
>and would share his/her experience with me? How many cm would I gain in
>focusing closer?
Hi Marco
I owned that close up lens for a while and used it on a 75-300 mmm lens. At
300 I had almost life size (1:1). I stopped using
