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Old Mar 25, 2010, 11:30 PM   #1
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Default Olympus EX-25 macro tube

Hello,

Does anyone know if the olympus ex-25 will AF with the olympus 35mm 3.5 macro. Was reading that with this lens setup you get almost 2:1 macro 1.68x mag.
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Old Mar 25, 2010, 11:47 PM   #2
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It SHOULD, although the distance range at which AF will work would be very, very limted and your working distance would be almost non-existent.

I have tried using the EX25 with a 40-150 Zuiko. At 40mm, the front element of the lens is very, very close to touching the subject and it will be even closer with the 35 macro, making it a very extreme closeup set suitable only for extreme closeups where being that close is not a problem for the subject.

Last edited by Greg Chappell; Mar 25, 2010 at 11:52 PM.
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Old Mar 25, 2010, 11:49 PM   #3
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I was thinking about mounting the extension tube with the 35mm onto the epl-1 as it is the only 4/3 lens I have. But I was quite amazed at 1.68x mag with the tube. So it pecked my interested.
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Old Mar 26, 2010, 12:04 AM   #4
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The EX25 is tons of fun to use with tele zooms as you have lots of focal lengths to work with. Used with a 70-300, you can vary the working distance as far back as 4-5 feet at 300mm and still do good closeups, which is great for shooting little critters that would normallly fly or run off if you got too close.

Like the "35", the AF range is very limited at any focal length with a zoom, but you have a lot of focal lengths to play with. What you have to do is establish how far back you want to shoot from, zoom the lens until you are almost in focus, then use the AF system to make the focus precise.

You might want to check this, but I do not believe the EX25 is useable on a micro four-thirds body, even using the 4/3rd's to micro 4/3rd's adaptor. It's one of the major accessories either Olympus or Panasonic needs to introduce for that system.
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Old Mar 26, 2010, 12:12 AM   #5
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I think it will be a trip to a shop to try this out. I know they did a firmware update to the ex-25. Will need to see if it will work with the 4/3 adapter. Thanks Greg
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Old Mar 26, 2010, 5:02 AM   #6
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Here's a chart from the Europe Olympus site.

http://www.olympus-europa.com/consum...tibilities.htm

The problem is lighting the subject if flash is used. You will be almost touching the subject!

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Old Mar 26, 2010, 8:29 PM   #7
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Quote:
Originally Posted by fldspringer View Post
Here's a chart from the Europe Olympus site.

http://www.olympus-europa.com/consum...tibilities.htm

The problem is lighting the subject if flash is used. You will be almost touching the subject!

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Old Mar 26, 2010, 8:36 PM   #8
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Interesting, but since it is not a dedicated flash, you will not have the TTL functions.
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Old Mar 26, 2010, 9:16 PM   #9
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Quote:
Originally Posted by shoturtle View Post
Interesting, but since it is not a dedicated flash, you will not have the TTL functions.
It's not a flash, but steady light, so your auto functions all work and set exposure, etc.
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Old Mar 26, 2010, 9:30 PM   #10
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AHH, I see so it is always on once you turn it on. It may be an idea to then getting the metz ring flash. I think I will have to take a look at it one day is the shop. Thanks
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