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03-31-2009, 02:18 AM   #1
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Reverse Extension Tube

I found this interesting article about DIY macro reverse extension tube.
I'm aware that using extension tube between the camera body and lens gives macro magnification. I also know that mounting a reversed lens on camera body (with special reverse adapter) also gives macro magnification. Now, I didnt know if both can be combined, i.e. using extension tube between camera body and a reversed lens. I'm curious about the magnification ratio relation with the extension tube length, anyone can help me? Thanks in advance.

03-31-2009, 05:39 PM   #2
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Take a look at these:

http://www.pentaximaging.com/files/manual/Bellows_Unit.pdf

http://www.pentaximaging.com/files/manual/Auto_Extension_Tube_Set_K.pdf

In each document, toward the end, there is a section on using the reverse mount adapter with bellows/extension tubes.
03-31-2009, 06:26 PM   #3
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Nice found sajah !! Thanks !
04-01-2009, 06:42 AM   #4
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Original Poster
QuoteOriginally posted by SOldBear Quote
Take a look at these:

http://www.pentaximaging.com/files/manual/Bellows_Unit.pdf

http://www.pentaximaging.com/files/manual/Auto_Extension_Tube_Set_K.pdf

In each document, toward the end, there is a section on using the reverse mount adapter with bellows/extension tubes.
Thanks SOldBear, that's exactly what I was looking for

QuoteOriginally posted by tomypreach Quote
Nice found sajah !! Thanks !
You're welcome! I'm glad it's useful for someone else beside me

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