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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 13 Apr 2012 (Friday) 21:27
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Good extension tubes for 50 mm 1.8

 
Stak
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Apr 13, 2012 21:27 |  #1

What is the general consensus on this forum for a brand that makes good extension tubes for the 50mm 1.8 prime on a 60D? I'd like to use it for Macro.

Does anybody have a shopping link?




  
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gjl711
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Apr 13, 2012 21:33 |  #2

The Kenko DG tubes are built well and work just as good as the more expensive Canon tubes.


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Stak
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Apr 13, 2012 21:47 |  #3

gjl711 wrote in post #14262265 (external link)
The Kenko DG tubes are built well and work just as good as the more expensive Canon tubes.

Could I use the Kenko tubes on my Canon 18-135mm on a 60D?




  
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gjl711
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Apr 13, 2012 22:03 |  #4

Kenko tubes will work on any EF or EF-S mount lens


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BrickR
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Apr 13, 2012 22:25 |  #5

Spend more and get the automatic Kenko tubes, that have electrical connections. You'll save yourself some hassle. It will maintain AF and apeture of the lens.


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gjl711
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Apr 13, 2012 22:34 |  #6

BrickR wrote in post #14262477 (external link)
Spend more and get the automatic Kenko tubes, that have electrical connections. You'll save yourself some hassle. It will maintain AF and apeture of the lens.

That's the Kenko DG set.
http://www.adorama.com​/KNAETSDEOS.html (external link)


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Perfect_10
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Apr 13, 2012 23:27 as a reply to  @ gjl711's post |  #7

I have a set of auto Jessop 13-21-31mm C-EOS tubes that work with both EF and EF-S lenses


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birderman
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Apr 14, 2012 03:19 |  #8

Personally I don't believe there is a lot of difference as ExTubes have no optics or anything complicated in them....so why Canon and Kenko sell at such high cost is beyond belief...On ebay there are whole range of manual ones from around £8 to £15 and automatic ones starting at around £45. I would guess the main choice seems to be between plastic or metal mounts, depending on the lens you going to use it with the plastic mounts are probably good enouogh but for heavier lens I would definately prefer to use metal mounts.
I am waiting for delivery of a set of automatic tubes that cost £53, when I receive them I will try and post a review of them.


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Miller-UK
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Apr 14, 2012 06:30 |  #9

These are just as good as Kenko and will save you some money.

http://www.amazon.co.u​k …TF8&qid=1334402​937&sr=8-1 (external link)


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watt100
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Apr 14, 2012 07:15 |  #10

birderman wrote in post #14263399 (external link)
Personally I don't believe there is a lot of difference as ExTubes have no optics or anything complicated in them....so why Canon and Kenko sell at such high cost is beyond belief...On ebay there are whole range of manual ones from around £8 to £15 and automatic ones starting at around £45. I would guess the main choice seems to be between plastic or metal mounts, depending on the lens you going to use it with the plastic mounts are probably good enouogh but for heavier lens I would definately prefer to use metal mounts.
I am waiting for delivery of a set of automatic tubes that cost £53, when I receive them I will try and post a review of them.

I agree, if you're going to buy tubes for macro shooting the ebay extension tubes (with electrical connections) are a good choice or if you don't like ebay the Pro Optic brand that Adorama and others sell




  
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Stak
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Apr 21, 2012 15:18 |  #11

So I bought the Kenko tubes but the autofocus does not stay on on focus. I can tell that it tries very hard to maintain focus but it keeps moving in and out of focus. Is there a remedy to this? I was thinking that my lack of a tripod would account for this poor focus management; I haven't tried it yet with a tripod. What do you all think?




  
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Apr 21, 2012 15:54 |  #12

Stak wrote in post #14304346 (external link)
So I bought the Kenko tubes but the autofocus does not stay on on focus. I can tell that it tries very hard to maintain focus but it keeps moving in and out of focus. Is there a remedy to this? I was thinking that my lack of a tripod would account for this poor focus management; I haven't tried it yet with a tripod. What do you all think?

Without more information, it is hard to know what the problem is. AF does not work very well at macro distances, particularly without very bright light. Also, once you put on tubes, you lose infinity focus. The lens will only focus close up and otherwise will just keep hunting.

Most macro work is done with manual focus anyway, in part because depth of field is razor thin.

Macro is technically difficult. You might want to follow some of the macro forums to pick up some tips, and read the tutorials on some of them.


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gjl711
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Apr 21, 2012 16:33 |  #13

Stak wrote in post #14304346 (external link)
So I bought the Kenko tubes but the autofocus does not stay on on focus. I can tell that it tries very hard to maintain focus but it keeps moving in and out of focus. Is there a remedy to this? I was thinking that my lack of a tripod would account for this poor focus management; I haven't tried it yet with a tripod. What do you all think?

I could be a couple of things. It could be that your moving too much or more likely, you are beyond minimum focus distance and it cant focus that close. Try to manually focus.


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Apr 21, 2012 18:15 |  #14

Generally AF does not work terrifically well with extension tubes...the remedy is to have camera on tripod and MF or using a macro rail to move the camera fore and aft.


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Apr 21, 2012 18:26 |  #15

with all 3 extension tubes on, the AF will be working hard. AF is depending on good light conditions and contrast to focus.

The extension tubes is here not the problem, but the camera. The tubes are only transfering the information between the lens and the camera. 7D is having much less problem with AF also with extension tubes, than a rebel.

Another reasonn why extension tubes makes AF difficult is that Dof is so much thinner. The area wich is focused are often 1/10 inches or less. That makes autofocus also more tricky.

When I am taking macro pictures I prefer to use Live view, and use a tripod with an arm, to move the whole camera back and forth untill the subject is in focus. If I am targeting bees or other insects that are moving alot, I prefer to focus on the flower and wait untill the insect comes. That is often more sucesfull than trying to hunt them.

Macro is tricky, and don't get discourage becouse of a big learning curve. It will soon be some great results.

And about the question here: all tubes produced gives the same Image Quality. The difference is on their build quality and AF. Build quality is definently a good reason for buying it, since you will quickly experience that you will change the tubes quite often. If they are hard to change, you will soon loong for something bether (like Kenko),


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Good extension tubes for 50 mm 1.8
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