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Thread: EX25 on the 40-150 and the 14-45

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    Default EX25 on the 40-150 and the 14-45

    Hey,
    I am owner of the E300 with the 2 kit lens.
    I am thinking on buying the ex25 because I want better close up performance and dont have money now for the 50mm f/2.
    So pls let me know you opinion abot the combination and if you can show me any example I would like to see it .

    Thanks.

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    Default Re:EX25 on the 40-150 and the 14-45

    You can find a bit more info here http://www.olympus-esystem.com/dea/p...-25/index.html

    Interestingly it states that the 14-45 with the EX-25 can actually give more magnification than the 50mm f/2 with the EX-25.

    I don\'t know of any pics, but somebody else here might be able to point you in the right direction for that one.

    Cheers
    Wazza

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    Default Re:EX25 on the 40-150 and the 14-45

    Hi Idanst,

    It should work well with both your lenses. What the EX25 will do is change the focus range of your lens. Your 14-45mm lens has a focus range of 15 inches (38 cm) to infinity. With the EX25 it will be moved to 6 inches (15.3 cm) to something less than infinity. What you gain is the ability to focus on closer objects as in macro photography but you give up the ability to focus on objects that are very far away.

    By the way, your 40-150mm lens has a focus range of 59 inches (1.5 m) to infinity. With the EX25 it will be moved closer to 8.2 inches (208 mm) to something less than infinity.

    Even if you had the ZD 50mm macro prime, the EX25 would still be a good purchase because sometimes the subject (if it\'s a small critter) won\'t let you get too close and using the EX25 with a telephoto lens can enable you to get a shot that looks just as close as the 50mm lens while being farther away.

    The biggest difference (if we ignore the difference of a prime verses a zoom lens) is the aperture. At f2.0 the 50mm lens can let a lot of light in and have a super shallow DOF. I have one and I love it.

    I\'ve used my ZD 150mm f2.0 lens for pseudo macro photography but I don\'t yet have an EX25. I\'d like to get one to use with this lens. Here\'s a shot a too with my 150mm plus the EC14 teleconverter:

    Best regards, FL

    Pursuing excellence...

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    Default Re:EX25 on the 40-150 and the 14-45

    You can find a number of shots made using the EX-25 on myfourthirds. A search for \"ex25\" will bring up a few.

    Cheers,
    Simon

    Post edited by: simon, at: 2005/09/12 09:13

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    Default Re:EX25 on the 40-150 and the 14-45

    Thanks for the info,
    But when I put the ex-25 on my lens, will it take me light or quality?

    Idan

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    Default Re:EX25 on the 40-150 and the 14-45

    The EX-25 is basically a spacer, it has no glass in it, so it does not effect the light gathering capabilities of your lens.

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    Default Re:EX25 on the 40-150 and the 14-45

    So if I will put my lens some cm away from the camera it will have the same effect, it will just not have AF?

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    Default Re:EX25 on the 40-150 and the 14-45

    Idanst wrote:
    So if I will put my lens some cm away from the camera it will have the same effect, it will just not have AF?
    Do you mean you want to hold your lens a few cm in front of the camera without it being attached to your camera????

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    Default Re:EX25 on the 40-150 and the 14-45

    yes :dry:

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    Default Re:EX25 on the 40-150 and the 14-45

    Focus would be a problem, you would have to meter manually (but how could you just get light in through the lens) and of course with no lens on your camera your beloved sensor would be at risk when you fired the shutter. :unsure:

    The Ex 25 is a great piece of kit and I use it a lot with the 50-200 as a telephoto macro.

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    Default Re:EX25 on the 40-150 and the 14-45

    ya I know I just ask it theoretically.
    I will go to the olympus importers here and try the combination in the following days and see if I like it.
    btw, can I use two or more ex25 ? and what will be the effect? more increase of focus distance?

  12. #12
    llmswamy Guest

    Default Re:EX25 on the 40-150 and the 14-45

    Hi All,

    I use E300 with kit lenses; today I bought EX-25.
    I\'m not able to (manual) focus any object at all. I tried both kit lense at different focal lengths. I set focus to manual already.
    Any other setup changes I need to do ?

    thanks for help in advance

    -Swamy

  13. #13
    llmswamy Guest

    Default Re:EX25 on the 40-150 and the 14-45

    I got it. If I shoot with in ranges given at following site, I can focus on objects.
    http://www.olympus-esystem.com/dea/p...-25/index.html

    I was trying to use it as tele-converter !
    To my suprise, auto-focus works with ex-25.

    -Swamy

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    Default Re:EX25 on the 40-150 and the 14-45

    It would seem that it is much more usable on the 14-45 and 45-150 than on the 14-54. That is interesting. I am interested to see your results.
    I have used mine very little, and only on the 50mm. For very up close things.
    Post some pic\'s ASAP.
    T

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    Default Re:EX25 on the 40-150 and the 14-45

    Can you post some shots with and without the Ex-25 with both lenses on the same object?

    I would like to see how good is it, and maybe buy one also.

    Thanks in advance.

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