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Thread: can i stack 2 close up lens together?

  1. #1

    Default can i stack 2 close up lens together?

    Guys, I am relatively new and I have a question to ask. Is it possible to stack 2 close up lens - for example 2 canon 500D together to increase magnafication for close up shot?

    What are the pro/cons of such setup that i need to watch out for?

    Thanks

  2. #2
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    Default Re: can i stack 2 close up lens together?

    Quote Originally Posted by whitecheek View Post
    Guys, I am relatively new and I have a question to ask. Is it possible to stack 2 close up lens - for example 2 canon 500D together to increase magnafication for close up shot?

    What are the pro/cons of such setup that i need to watch out for?

    Thanks
    It is possible. But the image distortion will increase.

    Remember, the more glass(es) you put on front of lens will degrade the image quality more.

    Regards,
    Arto.

  3. #3

    Default Re: can i stack 2 close up lens together?

    Quote Originally Posted by whitecheek View Post
    Guys, I am relatively new and I have a question to ask. Is it possible to stack 2 close up lens - for example 2 canon 500D together to increase magnafication for close up shot?

    What are the pro/cons of such setup that i need to watch out for?

    Thanks
    i think close up lense do not increase magnification

    close up only bring the focus distance nearer...

    tubes and teleconvertors will increase magnification

    can always try no harm... can ask stevewhy out for test test also, he is pro in micro/macro...

  4. #4
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    Default Re: can i stack 2 close up lens together?

    Quote Originally Posted by slooow View Post
    i think close up lense do not increase magnification

    close up only bring the focus distance nearer...

    tubes and teleconvertors will increase magnification

    can always try no harm... can ask stevewhy out for test test also, he is pro in micro/macro...
    Hmmm...., if you say like that, tubes also will bring focus distance nearer . Only TC will increase magnification.

    Because of focus distance nearer, the magnification also increase (object will be looks bigger).

    Regards,
    Arto.

  5. #5

    Default Re: can i stack 2 close up lens together?

    Canon 500D is infect a high quality magnifying glass, specially cater to lenses.

  6. #6

    Default Re: can i stack 2 close up lens together?

    Canon 500D diopter value is +2

    The formula for stacking closeup filter is sum the diopter values

    Stack 500D + 500D will give diopter of +4.

  7. #7
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    Default Re: can i stack 2 close up lens together?

    Stacking 2 close up lens together will definitely work. But because of the magnifications and depending on the lens you use, your lens might be touching your subject at the end of the day! :P

  8. #8
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    Default Re: can i stack 2 close up lens together?

    Quote Originally Posted by slooow View Post
    i think close up lense do not increase magnification

    close up only bring the focus distance nearer...

    tubes and teleconvertors will increase magnification

    can always try no harm... can ask stevewhy out for test test also, he is pro in micro/macro...
    i think it does increase magnification... closeup filter works the same way as magnifying glass..
    not 100% cfm tho.

  9. #9

    Default Re: can i stack 2 close up lens together?

    If the close-up lens does not increase magnification, why use it? The idea is to achieve close to 1:1 magnification or higher.

    Even extension tubes increase magnification by allowing to focus closer to the subject.

    All TC, ext tubes and diopters alter the lens characteristic to get higher magnification.

    BC

  10. #10

    Default Re: can i stack 2 close up lens together?

    guys, really thanks for the help. So to summerize, am i correct to say i can simple stack up closeup lens to achieve a closer shot of the subject...but probably with distortion?

  11. #11
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    Default Re: can i stack 2 close up lens together?

    Quote Originally Posted by whitecheek View Post
    guys, really thanks for the help. So to summerize, am i correct to say i can simple stack up closeup lens to achieve a closer shot of the subject...but probably with distortion?
    yes... when a good quality filter, you can easily stack 2 filter without much degradation in quality.

  12. #12
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    Default Re: can i stack 2 close up lens together?

    There are actually a lot of things you can try to get higher magnification. Possible things to do include : extension tubes, teleconvertors, closeup filters, reversing a normal lens, etc. The beauty of it is that you are not limited to doing one thing; you can combine a few together, such as adding an extension tube with a teleconvertor, or a closeup filter with an extension tube, etc. Experiment and see what works for you.

  13. #13
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    Default Re: can i stack 2 close up lens together?

    I've stacked 2 Hoya +4 close-up filters on my 50mm and results are still acceptable, just only slightly soft.

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