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FORUMS Photography Talk by Genre Macro Talk 
Thread started 23 Jan 2015 (Friday) 13:37
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Playing with a Meike MK-C-UP multifunctional extension tube

 
LordV
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Feb 04, 2015 13:20 |  #16

tintin124 wrote in post #17414619 (external link)
Hi Brian,

I have been pointed to this post by Kurt as I have previously used an reverse auto adapter (returned);

http://srb-photographic.co.uk …reversing-ring-1155-c.asp (external link)

However the coiled cable is very short and I found it pulled on the 18-55mm when using various stages of focal lengths and focus range.

Does the Meike have the same issue of introducing more lens creep? Or is this something that reduces when used enough e.g. the flex relaxes.

Something else with the adapter I had was light bounce which from your images above doesn't seem to suggest that this issue comes up with the Meike but can you confirm.

Many Thanks in Advance,
Bryn

Hi Byrn,

I didn't notice the coil pulling on the kit lens or on a reversed Tamron 28-75 but it did tend to move the zoom on the kit lens as it has very little damping.
Not quite sure what you mean by light bounce but I did get what looked like light glare on some shots.
Brian V.


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LordV
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Feb 04, 2015 13:22 |  #17

itsallart wrote in post #17414999 (external link)
I got the tubes too and not every lens talks to them. My Canon EF 70-200 f4/L IS USM gives me an error message, can't use the tubes with it. Why?
They seem to work fine with my primes.

I've really not got any idea- I have only tried it on 2 lenses- the kit lens and a Tamron 28-75mm and it worked fine with those.
Brian v.


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Macro Hints and tips
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tintin124
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Feb 04, 2015 15:03 as a reply to  @ LordV's post |  #18

Hi Brian,

Thanks, how bad was the light glare? It was awful on the adapter I had in fact was the main reason to return it.

Good to know it doesn't pull on the lens that was an issue with the one I had as the coil was so short and tight.

As its fairly cheap I will give it a go and see how well I can do with it and if glare becomes a issue.

Thanks,

Bryn


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LordV
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Post edited over 3 years ago by LordV.
     
Feb 05, 2015 00:43 |  #19

tintin124 wrote in post #17415346 (external link)
Hi Brian,

Thanks, how bad was the light glare? It was awful on the adapter I had in fact was the main reason to return it.

Good to know it doesn't pull on the lens that was an issue with the one I had as the coil was so short and tight.

As its fairly cheap I will give it a go and see how well I can do with it and if glare becomes a issue.

Thanks,

Bryn

The glare was recoverable but I didn't really investigate what was causing it as it did not appear in all shots.
I did wonder about painting the inside of the ring at the front with matt black enamel paint but have not tried that yet
Brian v


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Macro Hints and tips
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tintin124
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Feb 05, 2015 04:50 |  #20

LordV wrote in post #17416046 (external link)
The glare was recoverable but I didn't really investigate what was causing it as it did not appear in all shots.
I did wonder about painting the inside of the ring at the front with matt black enamel paint but have not tried that yet
Brian v

Good to know, I suspected with the adapter I had that light was sneaking in through the mount points but it may have been the light bouncing around the inside of the ring. If I get same issue with this then I will the black enamel paint method or put some velvet in there.

Cheers,

Bryn


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GTImotion
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Feb 05, 2015 14:18 |  #21

Brian V.
The setup

IMAGE: https://farm9.staticflickr.com/8577/16323568206_e42d2dc832_o.jpg
IMAGE LINK: https://flic.kr/p/qSsy​89  (external link)

I wonder if a circular filter can be used with the meike's to keep dust away from entering the back of the lens?



  
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LordV
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Feb 06, 2015 00:39 |  #22

GTImotion wrote in post #17416917 (external link)
Brian V.
The setup
QUOTED IMAGE
IMAGE LINK: https://flic.kr/p/qSsy​89  (external link)

I wonder if a circular filter can be used with the meike's to keep dust away from entering the back of the lens?

There isn't a filter thread on the front of the adapter.
Brian V.


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Macro Hints and tips
Canon 600D, 40D, 5D mk2, 7D, Tamron 90mm macro, Sigma 105mm OS, Canon MPE-65,18-55 kit lens X2, canon 200mm F2.8 L, Tamron 28-70mm xrdi, Other assorted bits

  
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tintin124
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Feb 17, 2015 03:24 |  #23

Anyone tried this with a 1.4x TC when I did I got the aperture control going nuts it kept saying f1.0 and would flicker the actual aperture when turning the dial, took about 6 turns to get it to move from f8 to f9.

Works completely fine without the TC so was a bit puzzled. TC works fine on its own too.

If they are known to not work with TC's then will have to use as just tubes/reverser for my 11-16mm lens.


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LordV
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Feb 18, 2015 02:30 |  #24

tintin124 wrote in post #17435565 (external link)
Anyone tried this with a 1.4x TC when I did I got the aperture control going nuts it kept saying f1.0 and would flicker the actual aperture when turning the dial, took about 6 turns to get it to move from f8 to f9.

Works completely fine without the TC so was a bit puzzled. TC works fine on its own too.

If they are known to not work with TC's then will have to use as just tubes/reverser for my 11-16mm lens.

Tried it with my Kenko teleplus pro 300 1.4X TC and the Kit lens and it worked fine.

Brian v.


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Macro Hints and tips
Canon 600D, 40D, 5D mk2, 7D, Tamron 90mm macro, Sigma 105mm OS, Canon MPE-65,18-55 kit lens X2, canon 200mm F2.8 L, Tamron 28-70mm xrdi, Other assorted bits

  
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tintin124
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Feb 18, 2015 02:50 |  #25

LordV wrote in post #17437090 (external link)
Tried it with my Kenko teleplus pro 300 1.4X TC and the Kit lens and it worked fine.

Brian v.

Cheers Brian (I have same TC), where did you place the teleconvertor? I put it against camera body.

Camera > TC > Meike > Lens > Meike

Kind Regards,

Bryn


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LordV
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Post edited over 3 years ago by LordV.
     
Feb 18, 2015 02:56 |  #26

tintin124 wrote in post #17437101 (external link)
Cheers Brian (I have same TC), where did you place the teleconvertor? I put it against camera body.

Camera > TC > Meike > Lens > Meike

Kind Regards,

Bryn

Yup same arrangement. Tried it in manual and Av modes on the camera (600D)
Brian V.


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Macro Hints and tips
Canon 600D, 40D, 5D mk2, 7D, Tamron 90mm macro, Sigma 105mm OS, Canon MPE-65,18-55 kit lens X2, canon 200mm F2.8 L, Tamron 28-70mm xrdi, Other assorted bits

  
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tintin124
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Feb 18, 2015 03:22 |  #27

LordV wrote in post #17437105 (external link)
Yup same arrangement. Tried it in manual and Av modes on the camera (600D)
Brian V.

Hmmmm thats interesting I will clean the connectors and try again. I'm using 500D.

I only tried in manual as that is what I shoot with...

Both work individually fine but just not together. I will also try it in pure tube mode see if that has the same issue. Hopefully I can get it to work as the TC helps me not to squish the subject. :)


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Feb 18, 2015 04:51 |  #28

LordV wrote in post #17417795 (external link)
There isn't a filter thread on the front of the adapter.
Brian V.

That's a pity and a bit of an oversight. Any chance of a photo of the front end, Brian. I'll probably get one to play around with some time, but in the mean time it would be helpful I could visualize what the front end looks like.




  
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LordV
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Feb 18, 2015 06:04 |  #29

SteB wrote in post #17437149 (external link)
That's a pity and a bit of an oversight. Any chance of a photo of the front end, Brian. I'll probably get one to play around with some time, but in the mean time it would be helpful I could visualize what the front end looks like.

SteB - my bad- had a closer look and there is a 42mm filter thread on the front as well as what looks like a 60or 62mm male thread on the outside.
Brian V.


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Macro Hints and tips
Canon 600D, 40D, 5D mk2, 7D, Tamron 90mm macro, Sigma 105mm OS, Canon MPE-65,18-55 kit lens X2, canon 200mm F2.8 L, Tamron 28-70mm xrdi, Other assorted bits

  
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Feb 18, 2015 08:58 as a reply to  @ LordV's post |  #30

Thank you very much Brian. I'd like to make macro a bit more accessible and sort of design some off the shelf gadgets. One thing I want to design is a small plastic bracket, to mount small flashes like the 270EX on, to fit the front of the lens. Sort of like the bracket for the MT24EX, but for any small flash, and any lens. I'm not a big fan of big flash brackets. I'm interested in this Meike MK-C-UP because it seems a very simple way of people getting into macro photography. Although I do appreciate that with most kit zooms, it wouldn't be advisable to put too much weight on them. You'd probably need one of those arms to mount the flash on.

Basically I'm going to learn to use CAD software, then get these gadgets in my head 3-D printed, then see about getting them made in small batches by a plastic fabricator. I also want to make a simple screw on, or clip on adapter for my end of lens diffusers. I know you weren't too keen on them because of scaring the insects. So I want to make a sort of flared version to give a bit more clearance. I made one for the MT24EX and it seems to work okay. The difficult bit is finding the right shaped plastic to use as a former for them, which is I want to try getting some made.

IMAGE: https://farm8.staticflickr.com/7398/9868634344_b6f533433e_b.jpg

John Hallmen told me he's tested the 40mm pancake reversed and got very good results with it. The new 24mm f2.8 pancake would be an interesting lens to try on it as well. The company that makes those Venus 60mm macro lenses have a variable length auto extension tube. If you click shopping on their website you will find them. Meike did used to make one themselves, but they seem to have disappeared off the market.



  
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Playing with a Meike MK-C-UP multifunctional extension tube
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