Macro Extension Tubes?

Discussion in 'Photography Beginners' Forum' started by PerfectlyFlawed, Feb 20, 2010.

  1. PerfectlyFlawed

    PerfectlyFlawed TPF Noob!

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  2. Derrel

    Derrel Mr. Rain Cloud

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    Those extension rings are very,very cheap ones, with no exposure control. Since you have new, Canon-style Nikon lenses that have no aperture rings...you do not want to use those cheap-o Chinese-made extension tubes.

    You have three lenses, none with an aperture ring on it, so you need "full exposure control" extension rings, like those made by Kenko at the higher price range, or Pro-Optic at the lower price range. Adorama.com has a good selection of close-up accessories.

    A roughly 12 or 13mm extension tube placed between the camera body and your 18-55 or 70-300 lens would be the single most-useful accessory for the most situations. As you might have noticed, as a lens is focused closer and closer, the lens extends outward, getting longer and farther from the camera...that is the way an extension tube works: greater physical "extension" allows a lens to focus closer.
     
  3. PerfectlyFlawed

    PerfectlyFlawed TPF Noob!

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  4. chammer

    chammer TPF Noob!

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    [ame="http://www.amazon.com/exec/obidos/tg/detail/-/B002MO9MB0/ref=ord_cart_shr?_encoding=UTF8&m=A17MC6HOH9AVE6&v=glance"]Amazon.com: Pro Optic Budget Auto Extention Tube Set for Canon EOS SLR Cameras (Meike): Adorama Camera[/ame]

    [ame="http://www.amazon.com/Kenko-Auto-Extension-Canon-Mount/dp/B000U8Y88M/ref=sr_1_1?ie=UTF8&m=A17MC6HOH9AVE6&s=photo&qid=1266657304&sr=1-1"]Amazon.com: Kenko DG Auto Extension Tube Set for the Canon EOS AF Mount.: Adorama Camera[/ame]

    were the two sets of tubes i was looking at to play with. you can find the nikon equivalent if you're interested. they have the electrical contacts so you wont lose auto focus or aperture control.

    these two are actually the very two derrel speaks about above.

    as for your filter question...

    no. you will need to find out what filter size your lens takes. its usually printed on the front of the lens (if you're looking straight at the glass) on a little ring encompassing the diameter of the lens. it'll have several markings:

    [​IMG]

    if you take a look you'll notice in this image the outer ring on the front of the lens has quite a few markings like "Canon Zoom Lens EF 28-135mm 1:3.5-5.6 IS" on the top, and on the bottom "Canon Lens Made In Japan". Off to the bottom left a bit is a little circle with a line through it and 72mm printed next to it. that is telling you that the filter size for that lens is 72mm so you'll need to purchase 72mm's for them to fit. there's adapters to make larger filters fit smaller lens's, but that's outside of this scope.

    if your lens doesn't have these markings anywhere, you can google to find out the filter size for your lens or check some place that sells the lens like amazon, b&h, adorama, etc. and they'll list the specs of the lens.
     
    Last edited: Feb 20, 2010
  5. TCimages

    TCimages TPF Noob!

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    extension tubes are very tricky to use. Spend your money on a Macro lens.
     
  6. PerfectlyFlawed

    PerfectlyFlawed TPF Noob!

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    Thanks! I'm gonna look at my lenses and find out
     
  7. tdiprincess

    tdiprincess TPF Noob!

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    Is this a good macro lens? I think I'm going to end up getting a macro lens and then extension tubes and play around with both to see what I like..
    nikon AF-D 35-70mm
     
  8. NateWagner

    NateWagner TPF Noob!

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    What do you mean Macro tubes are very tricky to use? I would suggest they really aren't that tricky at all. Particularly when used in conjunction with a zoom lens such as your 28-135.

    The main thing to keep in mind is that you will lose light with it, so tripods are handy if you're indoors (or some sort of a flash to freeze the image). And you also won't be able to focus at infinity with a tube attached. Other than that, they are really pretty simple, and much more affordable than most macro lenses.
     
  9. Ron Evers

    Ron Evers Been spending a lot of time on here!

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    Totally agree!

    I would add focusing rails to the tripod recommendation.
     
  10. TCimages

    TCimages TPF Noob!

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    Not sure about this lens for macro work. I would look at the nikon Macro lenses or the Sigma 105.
     
  11. TCimages

    TCimages TPF Noob!

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    I used these a lot and I found them tricky to use especially with a zoom. If you want 1:1 or greater, you need focal lengths in the 50mm range. With a full stack the focus point is almost at the front of the lens. With a Macro like the 100mm, you have 6 inches focus distance for 1:1. This is huge for insects. Using the zoom ring, manual focus ring and moving back and forth was a tricky combination to get tack sharp images. Just my opinion - Nothing beats a macro lens.

    I never use a tripod for my macro work. It does depend on what you want to shoot though. I normally shoot 1:1 with insects.
     
  12. Ron Evers

    Ron Evers Been spending a lot of time on here!

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    I use tripod & focusing rails for table-top shots with primes but in the field only hand held & typically zoom lens.

    Here is an example of a hand held shot of a bee using my Canon S5 & Raynox DCR 150 close up conversion lens.


    [​IMG]
     

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