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giallocromo

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Since: Aug 11, 2003
Posts: 3



(Msg. 1) Posted: Mon Aug 11, 2003 12:22 pm
Post subject: exposure
Archived from groups: rec>photo>equipment>medium-format (more info?)
hi,
could you tell me how I must increase the exposure with the 10 mm tube
for macro hasselblad.
thank you
alessandro from italy

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news39

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Since: Jul 09, 2003
Posts: 8



(Msg. 2) Posted: Mon Aug 11, 2003 2:32 pm
Post subject: Re: exposure [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
albert schrieb:
 >
 > could you tell me how I must increase the exposure with the 10 mm tube
 > for macro hasselblad.

That depends on your lens you are using.

--
Laurent Wirmer

Homepage: <a style='text-decoration: underline;' href="http://www.photo-square.com" target="_blank">http://www.photo-square.com</a>

This posting is a natural product. The slight variations in
spelling and grammar enhance its individual character and
beauty and in no way are to be considered flaws or defects.<!-- ~MESSAGE_AFTER~ -->

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giallocromo

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Since: Aug 11, 2003
Posts: 3



(Msg. 3) Posted: Mon Aug 11, 2003 2:32 pm
Post subject: Re: exposure [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Laurent Wirmer <news DeleteThis @wirmer.de> wrote:

 > albert schrieb:
  > >
  > > could you tell me how I must increase the exposure with the 10 mm tube
  > > for macro hasselblad.
 >
 > That depends on your lens you are using.

the 150mm<!-- ~MESSAGE_AFTER~ -->
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user1167

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Since: Jul 13, 2003
Posts: 77



(Msg. 4) Posted: Mon Aug 11, 2003 2:32 pm
Post subject: Re: exposure [Login to view extended thread Info.]
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"albert" <giallocromo.RemoveThis@tiscalinet.it> wrote...
 > Laurent Wirmer <news.RemoveThis@wirmer.de> wrote:
 >
  > > albert schrieb:
   > > >
   > > > could you tell me how I must increase the exposure with the 10 mm tube
   > > > for macro hasselblad.
  > >
  > > That depends on your lens you are using.
 >
 > the 150mm

(1 + 10/150)^2, if lens is set at "infinity". Results in about 14%
increase. You will not notice any difference if you don't increase
it at all.

Victor<!-- ~MESSAGE_AFTER~ -->
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giallocromo

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Since: Aug 11, 2003
Posts: 3



(Msg. 5) Posted: Mon Aug 11, 2003 9:39 pm
Post subject: Re: exposure [Login to view extended thread Info.]
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Victor Bazarov <v.Abazarov.DeleteThis@attAbi.com> wrote:

 >
 > (1 + 10/150)^2, if lens is set at "infinity". Results in about 14%
 > increase. You will not notice any difference if you don't increase
 > it at all.
 >
 > Victor

thank you.
ale

<a style='text-decoration: underline;' href="http://www.albertverzone.com" target="_blank">www.albertverzone.com</a><!-- ~MESSAGE_AFTER~ -->
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